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prevalence of ibr-bvd-pi3 infections. 1975167273
cross-reactions of normal bovine serums to foot-and-mouth disease virus in plaque-reduction neutralization and radial immunodiffusion.serums from 150 cattle with no known exposure to foot-and-mouth disease (fmd) virus were tested by both the plaque-reduction neutralization (prn) technique and the radial immunodiffusion (rid) technique to evaluate the significance and the extent of cross-reactions in these tests. serums from 30 cattle from each of 5 locations were tested against representative viruses of each of the 7 types of fmd virus. high levels of cross-reactions with both the rid and prn techniques were found in serums of ...1975167625
serological comparison of french wd-42 enterovirus isolate with bovine winter dysentery in new york state.forty-eight acute and convalescent paired serums from 10 dairy cattle herds naturally infected with winter dysentery and 10 paired serums from laboratory infected heifers were tested for antibody to bovine enterovirus wd-42 which reportedly reproduced the disease syndrome in france. only 3 naturally infected and 1 experimentally infected animals had 2-fold antibody responses. no clinical symptoms were observed in 2 steers inoculated with wd-42. each had a 4-fold or greater antibody response to t ...1976177248
an outbreak of the conjunctival form of infectious bovine rhinotracheitis.an outbreak of severe conjunctivitis involved approximately 30% of a dairy herd of 118 cattle. infectious bovine rhinotracheitis (ibr) virus was identified by cytopathic effects and fluorescent antibody techniques from conjunctival swabs of affected animals. the disease typically presented as a unilateral ocular disease with systemic signs of pyrexia, inappetance, decreased milk production, and some subsequent abortions.1978208813
cattle virus escapes from a p4 lab. 1978211587
immunologic dysfunction among pbb-exposed michigan dairy farmers.in 1973 inadvertent contamination occurred in a special farm feed supplement for lactating cows. polybrominated biphenyls (pbbs) were used in place of magnesium oxide resulting in serious harm to farm animals, including cattle, chickens, geese, ducks. farm families, accustomed to eating their own products, were most heavily exposed. to further study the impact of pbbs, 45 adult michigan farm residents who were originally examined in a clinical field survey were further studied with respect to th ...1979222196
prevalence of neutralizing antibody to the calf rotavirus in new york cattle.in march 1973, a modified live virus vaccine was released for sale in the united states for the protection of neonatal calves from infection with calf rotavirus. at that time no published evidence existed that this agent was present in new york or the new england states. serum neutralizing antibodies for the calf rotavirus (reovirus-like agent of neonatal calf diarrhea) were detected in serum from 108 of 110 dairy cattle in new york state representing 78 different herds. to exclude the possibili ...1979225124
diet in the epidemiology of cancer of the colon and rectum.we examined the diets as reported in interviews of 256 white male patients with cancer of the colon and of 330 white male patients with cancer of the rectum. controls were 783 patients with nonneoplastic, nondigestive system diseases distributed by age similarly to the colon cancer patients and 628 patients with nonneoplastic, nondigestive diseases distributed by age like those with cancer of the rectum. we found no increase in risk for cancer of the colon or rectum regardless of the amounts of ...1978278848
a comparison of the susceptibility of strain 19 calfhood vaccinated animals versus non-vaccinates in a brucellosis outbreak. 1978287085
salmonella in surface waters of central new york state.six tributary streams and southern cayuga lake in central new york state were sampled for the presence of salmonella on swabs immersed for 4 days. of a total of 322 swabs, 39% yielded salmonellae. swabs were cultured in tetrathionate enrichment at 41.5 degrees c. isolations were made from brilliant green agar. salmonellae were isolated from many sites on the streams and from some lake sites. twenty-five serotypes (11 somatic antigen groups) and a distinct biotype of s. typhimurium (h2s negative) ...1977326183
the epidemiology and genetics of antibiotic resistance of salmonella typhimurium isolated from diseases animals in new york.only 12% of 249 strains of salmonella typhimurium isolated during the period 1973-1976 from diseased animals were sensitive to six commonly used antibiotics. isolates from calves exhibited the highest frequency of resistance as well as a steadily increasing frequency of resistance to ampicillin and chloramphenicol. the majority of strains from horses, dogs, and cats were also resistant to more than one antibiotic, a finding which was interpreted as primarily an effect of therapeutic rather than ...1978342636
quantitative toxicology: interlaboratory and intermethod evaluation in new york state.the new york state department of health has conducted a proficiency evaluation program in quantitative toxicology since 1974. serum samples containing a barbiturate and phenytoin, together with either glutethimide, procainamide, or theophylline, are sent to participating laboratories quarterly. within the first two years of the program the percentage of laboratories able to quantitate 75% of the test samples to within 25% of the gravimetric values increased from 25 (1974-1975) to 40% (1975-1976) ...1978343948
industrial fluoride pollution. chronic fluoride poisoning in cornwall island cattle.an aluminum plant on the south bank of the st. lawrence river, southwest of cornwall island, ontario, canada, has emitted 0.816 metric tons of fluoride daily since 1973; considerably higher amounts were emitted from 1959 to 1973. the plant has been designated as the "major source of fluoride emissions impacting on cornwall island." chronic fluoride poisoning in cornwall island cattle was manifested clinically by stunted growth and dental fluorosis to a degree of severe interference with drinking ...1979467082
serologic evidence of leptospirosis in woodchucks (marmota monax) in central new york state.serum samples from 153 woodchucks (marmota monax) from tompkins county, new york, obtained in 1976 and 1977, were examined by plate agglutination tests for antibodies against five leptospira antigens. fourteen sera showed significant titers against either l. hardjo, l. icterohemorrhagiae and/or l. pomona. reactions against l. hardjo were the most frequent. woodchucks collected from two dairy farms with histories of bovine leptospirosis did not have a greater prevalence of antibodies than woodchu ...1979480515
trypanosoma theileri: a literature review and report of incidence in new york cattle.the incidence of infection in adult dairy cattle in new york state with trypanosoma (megatrypanum) theileri (laveran 1902) was determined by culturing buffy coats of peripheral blood samples in tissue culture growth media. three sample groups of cattle were studied and revealed an overall rate of trypanosome infection of 44.4% (67 of 151) as determined by a single culture. fifty-seven cows, representing four herds from three different geographic locations in the southern-tier region of the state ...1979527346
yersinia enterocolitica in oneida county, new york.in a 7-month study during and after an outbreak of yersiniosis in oneida, n.y., a total of 963 specimens were examined for yersinia enterocolitica. of the 103 y. enterocolitica isolates recovered, 91 were from oneida county. sixty-two (60.2%) were from humans including 52 from oneida county. the isolates from the outbreak were mainly serotype 0:8, which on biotypnig proved to be niléhn type 2, wauters type 1, knapp and thal type 2. the rest of the isolates were distributed among various biotypes ...1979575321
septicemia in patients on chronic hemodialysis.bacterial sepsis, a major complication of chronic hemodialysis, is due mainly to infections of the vascular access site despite increasing use of internal fistulas. sixty episodes of septicemia occurred in two chronic dialysis centers, with an incidence of 0.15 episodes of significant bacteremia per patient-dialysis-year in each. forty-four of the 60 episodes were judged to be due to vascular access site infection by clinical, bacteriologic, and histologic criteria. seventy percent (31 of 44) of ...1978619755
bovine disease control problems in the northeast. ia. brucellosis: an overview. 1978630892
bovine disease control problems in the northeast. ib. brucellosis--current status.brucellosis continues to be a very important disease in the united states and throughout the world. in the past year, new york state has experienced a significant increase in the number of infected dairy herds. increased movement of cattle, including importations, has contributed to its spread. prevention, control and eradication have been impeded by present housing and management practices and the frequent apathy on the part of the herd owner in implementing prescribed recommendations for the e ...1978630893
dieldrin in milk: the experience of suffolk county, new york. 1978637171
the distribution and characterization of group b streptococci in new york state.group b streptococcal isolates from bovine mastitis were classified according to the lancefield typing scheme. three types were found in new york state dairy herds; ia, ii and iii. the distribution within these types varies from area to area, however, on a state-wide basis ia is the most prevalent (69.6%) followed by type ii (16.7%) and type iii (10.1%). within a single herd one type predominants with only slight incidence of other types. attempts to determine distinguishing characteristics betw ...1976770075
social policy and city politics: tuberculosis reporting in new york, 1889-1900. 19751100149
presentation of the oceanology award of the new york ocean science laboratory to dr. ross franco nigrelli. 19751103681
sarcoptes scabei bovis--a potential danger. 19751133075
heavy metal and selenium levels in young cattle egrets from nesting colonies in the northeastern united states, puerto rico, and egypt.colonially-nesting species of herons and egrets breed mainly in coastal areas, along rivers or near other large bodies of water. such areas are also preferred for human development, exposing nesting birds to various pollutants. from 1989-1991, the concentrations of heavy metals and selenium were studied in the feathers of fledgling cattle egrets bubulcus ibis, a terrestrially-feeding insectivore, from new york and delaware in the northeastern united states, from puerto rico, and from egypt. ther ...19921444587
rabies surveillance in the united states during 1991.in 1991, 49 states, the district of columbia, and puerto rico reported 6,972 cases of rabies in nonhuman animals and 3 cases in human beings to the centers for disease control. ninety-one percent (6,354 cases) were wild animals, whereas 8.9% (618 cases) were domestic species. the total number of reported cases of rabies increased 42.9% over that of 1990 (4,881 cases), with most of the increase resulting from continued spread of the epizootic of rabies in raccoons in the mid-atlantic and northeas ...19921483899
the economic implications of bioengineered mastitis control.this paper estimates the cost of mastitis for the new york dairy sector. the average cost is found to be $125 per cow from reduced milk production, treatment, and increased culling. at the 1988 cow inventory, this translates to approximately $100 million annually for the entire dairy farm sector. when quality and production losses for the processing sector are added, the cost to the new york industry alone is nearly $150 million annually. two promising new treatments, a bacteriocin and a vaccine ...19921560148
monitoring human exposure to lead: an assessment of current laboratory performance for the determination of blood lead.the performance of a small group (9-13) of experienced reference laboratories performing the determination of lead in blood is assessed by means of repeated analyses of lyophilized animal blood. both interlaboratory precision and intralaboratory precision are reported for the reference laboratory group. results indicate that at the new blood lead action level of 10 micrograms/100 ml, this group can achieve results that are accurate to within +/- 2 micrograms/100 ml. the capability of routine cli ...19921568437
rabies surveillance in the united states during 1990.in 1990, the united states and its territories reported 4,881 cases of rabies in animals to the centers for disease control, a 1.5% increase from 1989. of these, 553 were domestic animals, 4,327 were wild animals, and one was a human being. pennsylvania reported the highest number (611) of rabies cases in animals in 1990. for the first time since surveillance of rabies in wild animals was begun in the 1950s, the number of cases of rabies in raccoons exceeded that in skunks. particularly large in ...19921577642
serologic evidence of coronavirus infection in new york and new england dairy cattle with winter dysentery.acute and convalescent sera were collected from 8 dairy herds with classic clinical features of winter dysentery. an enzyme-linked immunosorbent assay was used to measure coronavirus antibody titers, employing calf diarrhea coronavirus as antigen. twenty-two of the 35 animals tested (63%) showed a greater than or equal to 4-fold seroconversion. adult cattle in all 8 herds seroconverted. these findings complement previously reported immunoperoxidase and electron microscopic evidence, suggesting a ...19911662077
mastitis due to mycoplasma in the state of new york during the period 1972-1990.between january 1972 and december 1990, bulk-tank (n = 721) and cow (n = 9,163) milk samples from dairy herds in new york state were examined by bacteriologic procedures for mycoplasma. the organism was found in 165 herds in 42 counties, and in 2.3 and 11.7% of the tank and cow samples, respectively. mycoplasma bovis was isolated in 164 herds, m. californicum was isolated in 1. highest incidence of mycoplasmal clinical mastitis occurred during the winter. the disease resulted in culling of 30-70 ...19921740058
multicenter trial of single-dose modified bovine surfactant extract (survanta) for prevention of respiratory distress syndrome. ross collaborative surfactant prevention study group.a multicenter, prospective randomized controlled trial was performed comparing the efficacy of a single intratracheal dose of modified bovine surfactant extract (survanta, 100 mg/kg, abbott laboratory, north chicago, il) with air placebo in preventing respiratory distress syndrome. infants were enrolled if they were estimated to be between 24 and 30 weeks' gestation, weighed between 750 and 1250 g, and were intubated and stabilized within 15 minutes after birth. a total of 160 infants were treat ...19902187176
cattle lice (anoplura, mallophaga) in new york: seasonal population changes, effects of housing type on infestations of calves, and sampling efficiency.a year-long survey was made of commercial dairy herds in new york for cattle lice (anoplura and mallophaga). all herds were infested with lice. the cattle bitting louse, bovicola bovis (l.), accounted for about 90% of the observed infestations; infestations of mature animals were most common during the winter months, especially march (26% infested); and infestation rates of calves were high (30-45%) from january through june. cows that were housed in stanchion barns were about twice as likely to ...19902212238
association between neutral-to-earth and cow contact voltage on new york dairy farms.cow contact (or "stray") voltage has been associated with various health and management problems in dairy cows. neutral-to-earth voltage (voltage between the service entrance neutral bus and a reference ground rod) has been equated with cow contact voltage in previous research. to investigate the association between these two voltages, single ("instantaneous") and continuous voltmeter measurements were made at 97 farms in new york. a small positive correlation was found between all single neutra ...19892592652
clonal groups of salmonella typhimurium in new york state.the epidemiology of 278 strains of salmonella typhimurium isolated from 1973 to 1981 from animals in new york state was studied by using four "fingerprinting" techniques, bacteriophage type (b.r. callow, j. hyg. 57:346-359, 1959), biotype (j. p. duguid, e. s. anderson, g. a. alfredsson, r. barker, and d. c. old, j. med. microbiol. 8:149-166, 1975), plasmid profile, and antibiogram. phage type with biotype was the most useful marker for distinguishing clonal groups of s. typhimurium. four clones ...19892656740
aeroallergens in dairy barns near cooperstown, new york and rochester, minnesota.we sampled atmospheric barn air using a volumetric air sampler in ten barns near cooperstown, ny and six barns near rochester, mn, and, with radioimmunoassays, measured allergens of aspergillus fumigatus, thermoactinomyces vulgaris, micropolyspori faeni, short ragweed, rye grass group i pollen, alternaria (alt-1), dermatophagoides sp. lepidoglyphus destructor, common insect allergen, mouse urine, rat urine, and cattle epithelium. the most abundant allergen present was a. fumigatus followed by l. ...19892764367
immunotoxicology: environmental contamination by polybrominated biphenyls and immune dysfunction among residents of the state of michigan.in 1973, inadvertent contamination occurred in a special farm feed supplement for lactating cows. polybrominated biphenyls (pbbs) were used in place of magnesium oxide resulting in serious harm to farm animals, including cattle, chickens, geese, ducks. farm families, accustomed to eating their own products, were most heavily exposed. to study the impact of pbbs, 336 adult michigan farm residents, 117 general consumers for comparison, 75 dairy farm residents in wisconsin, who had not eaten pbb-co ...19872826002
heritabilities of and genetic correlations among six health problems in holstein cows.information from 7712 lactations of holstein dairy cows was collected from 33 commercial herds around ithaca, ny in the 3 yr from 1981 to 1983. the data were divided into subsets corresponding to lactation 1, lactation 2, and lactation 3 or greater. to estimate heritabilities of dystocia, retained placenta, metritis, ovarian cysts, milk fever, and mastitis, a mixed linear model (herd-year fixed and sire random effects) with 0 or 1 as the observed response was used. variance components were estim ...19892925944
relationship of body condition score and changes in condition score with health, reproductive performance and productivity in new york holstein dairy herds. 19883232595
reported frequency of dairy farm-associated health hazards, otsego county, new york, 1982-1983.we surveyed a self-selected sample of dairy farm owners/residents to determine the feasibility of establishing a surveillance system that would identify health risks common to this type of farming activity. data obtained included demographic characteristics of the farm families, number of milk cows, prevalence of selected respiratory diseases, and farm-related injuries among farm owners. despite a low overall response rate (45 percent), farm owners/residents reported a higher prevalence of respi ...19863453180
choroid plexitis in white-tailed deer (odocoileus virginianus) in southern new york state.brains, spinal cords, nerve roots, nerves and muscle tissues were removed from deer in southern new york state and examined for histologic evidence of infection by the causative agent of lyme disease, borrelia burgdorferi. there was no histologic evidence of this infection and only four of 26 deer had serologic evidence of past infection despite the fact that all were parasitized by the tick vector, ixodes dammini. of these ticks, 21% were carrying b. burgdorferi. in contrast, most of the deer h ...19873603961
bovine virus diarrhea--clinical syndromes in dairy herds.bovine virus diarrhea (bvdv) was diagnosed as the major etiological agent in 10 dairy herd disease outbreaks. the outbreaks varied between herds in time of onset in individual cattle, signs, morbidity, and clinical course. a definitive diagnosis was obtained by viral isolation from whole blood samples in each herd. each herd problem and its clinical course was described in detail. a discussion of current knowledge pertaining to bvd--the disease and the virus--follows. the importance of strain va ...19873802830
salmonella serotypes from animals in new york state, 1978-1983.the salmonella serotypes isolated during 1978 to 1983 at the diagnostic and clinical laboratories of the new york state college of veterinary medicine from animal sources in new york state were reviewed and compared to earlier data from new york state animals and to national data for both human and animal sources. a total of 255 salmonella strains were studied from the six year period and included 33 serotypes. salmonella enteritidis ser typhimurium continued to be the most commonly reported ser ...19863940747
salmonellosis: a continual threat to new york state's cattle and horses. 19853979065
severe respiratory disease in dairy cattle in new york state associated with bovine respiratory syncytial virus infection.severe respiratory disease associated with bovine respiratory syncytial virus (brsv) infection has been identified in dairy cattle in new york state. the cases identified occurred in dairy calves and heifers. the disease was characterized in 4 animals by pathologic changes including interstitial pneumonia, necrotizing bronchiolitis with multinucleated syncytial epithelial cells and interstitial emphysema. brsv antigen was demonstrated in lung samples or was isolated in tissue culture in all 4 ca ...19854053607
displaced abomasum in dairy cattle: etiological factors. 19744136636
mobilizing extension for mastitis control. 19744534751
epidemiologic investigation of an outbreak of fatal enteritis and abortion associated with dietary change and salmonella typhimurium infection in a dairy herd. a case report. 19724554167
genetic and environmental aspects of udder infections. 19724561719
salmonella cultures typed during the years 1950-1971 for the service laboratories of the new york state veterinary college at cornell university. 19734568902
mycobacteriologic data from two outbreaks of bovine tuberculosis in nonhuman primates. 19744588087
immunity to mastitis. a review. 19704914936
founded for the future. 19725015744
occurrence and characterization of lancefield group g streptococci in bovine mastitis. 19705414879
epidemiological investigation of bovine virus diarrhea-mucosal disease in an unvaccinated dairy herd. a case report. 19705461544
[a successful veterinary preventive health program for dairy herds in new york state]. 19705466236
milk allergy, an autoallergic disease of cattle. 19705529721
an experimental method of vaccination for a streptococcus agalactiae infected herd. 19715577489
trends in new york state cattle practice. 19685690259
a study of problem mastitis herds in new york state. 19685749698
california virus in new york state. isolation and characterization of california encephalitis virus complex from aedes cinereus. 19695764192
bovine mycotic placentitis in new york state. 19695781263
a comparison of the tube agglutination, supplemental, and brucellosis ring tests in selected dairy herds in new york. 19695815821
anaplasmosis control: preventing the introduction and spread in anaplasmosis-free areas. 19655884050
arthropod-borne viruses in new york state: serologic evidence of groups a, b, and bunyamwera viruses in dairy herds. 19655892840
hereditary spastic diseases affecting cattle in new york state. 19655893054
ringworm contracted from cattle in western new york state. 19665949328
vanadium in some biological specimens. 19676029069
bovine herpes mammillitis in two new york dairy herds.bovine herpes mammillitis was diagnosed in 2 new york dairy herds. lesions ranged from vesiculation and ulceration of large (up to 10 cm wide) areas of udder and teat skin to single small (2-3 cm wide) plaques of edema. some lesions resembled "umbilicated pocks" characteristic of cowpox virus infections. recently freshened heifers were the most severely affected; older cows and heifers with less turgid udders had milder lesions. in 2 cows, incurable mastitis developed. in other cows, the lesions ...19826282794
isolation and characteristics of an equine reovirus type 3 and an antibody prevalence survey to reoviruses in horses located in new york state.reoviruses have been isolated from a number of species including human, bovine, feline, canine and equine. in most species they seem to produce mild to inapparent disease. we have isolated a reovirus type 3 from a foal with diarrhea. the virus designated the ralph strain has been propagated in both the ma-104 and a-72 cell lines. the strain produced cytoplasmic inclusion bodies in these cell cultures. tissue-cultured virus fixed complement in the presence of reovirus antibodies, but failed to do ...19846326376
the use of epidemiology and clinical toxicology to assess environmental health problems.historically, epidemiology has played an important role in the changes that have taken place over time as epidemics of important infectious diseases have been replaced with modern epidemics of chronic, degenerative diseases such as elevated blood pressure, various types of cancers, diabetes, and stroke, among others. two illustrations of the early uses of epidemiologic methods in investigations of disease outbreaks are described in the work of john snow, who described outbreaks of cholera in the ...19846436910
pendular nystagmus in dairy cattle.in a survey of 2,932 mature dairy cattle performed over a 1-month period, we found 15 with rapid oscillation in 1 or both eyes. nystagmus had been present since shortly after birth in 2 animals, and the age at onset was unknown in the others. the nystagmus was not associated with any other physical or neurologic problem. pendular nystagmus apparently is benign and should not be mistaken for a sign of serious neurologic disease.19836602119
fringed virus-like particles in diarrhoeic faeces from calves and dogs. 19836649349
simulium jenningsi malloch (diptera: simuliidae): a vector of onchocerca lienalis stiles (nematoda: filarioidea) in new york.biting flies were collected from the umbilical areas of onchocerca lienalis-infected cattle in new york (state) from june through september of 1980. of the 766 flies collected, 705 were simulium jenningsi. microfilariae were detected in the midguts of 37 (50%) of 73 females dissected immediately after the flies had fed. the mean number of larvae per positive fly (fly with microfilariae) was 15.2. third-stage larvae were recovered from 25 (21.9%) of 114 s jenningsi dissected 8 to 13 days after th ...19836686418
salmonellosis outbreak at a vermont hospital.an outbreak of gastrointestinal illness occurred at a hospital in northern vermont during september 1981. of the 292 hospital employees surveyed, 43 had diarrheal illness; 12 of them had positive cultures for salmonella, serotypes chester, tennessee, or habana. in addition, three individuals who were culture-positive but did not have diarrhea were counted among the cases. illness was related to eating roast beef or cold cuts (p less than .01) in the month of september. one food specimen, an unop ...19846701583
rates of diagnosis of six diseases of holstein cows during 15-day and 21-day intervals.the lactations of 3,172 holstein dairy cows were divided into intervals of 15 and 21 days. the numbers of new diagnosis of metritis, cystic ovary, miscellaneous reproductive disorders, mastitis, left displaced abomasum, and milk fever in each interval were counted. the numbers of cows at risk in each interval were also counted. a cow was at risk if she was still milking, in the herd, and a diagnosis had not already been made for that condition in that lactation. a cow was also only at risk of a ...19846711956
multiple outbreaks of salmonellosis associated with precooked roast beef--pennsylvania, new york, vermont. 19816795438
frequency and immunologic cross-reactivity of encapsulated staphylococcus aureus in bovine milk in new york.a total of 213 milk samples, which were positive by bacteriologic cultural examination for staphylococcus aureus, were obtained from lactating cows on 55 farms throughout the dairying areas of new york. the s aureus isolates were evaluated for encapsulation directly from milk by the serum-soft agar technique. results indicated that 93% of s aureus field isolates showed evidence of encapsulation on direct evaluation from milk. suppression of capsule formation in vitro was seen in 72.7% of isolate ...19836870031
milk production of cows exposed to industrial fluoride pollution.milk sales records for a dairy herd showed that milk production did not decrease during the first 4 yr of exposure of cows to fluoride pollution from an aluminum plant. during the next 3 yr milk production decreased, but not significantly. from yr 8 of exposure there was a significant decrease, which persisted through yr 19, when the dairy operation was terminated. from yr 15 through yr 19, the milk yield averaged less than 60% of the expected value.19826891000
a sudden decline in ampicillin resistance in salmonella typhimurium.starting in 1975, an abrupt decline in ampicillin resistance of salmonella typhimurium (the most common and antibiotic-resistant serotype) occurred in new york city. the present lower rate of 5% to 7.9% at our hospitals represents a return to the 1965 level. at the same time, the ampicillin resistance in s typhimurium from calves and other farm animals from upper new york state, which has been rising since 1972, has reached 75%. substantial differences between levels of resistance in escherichia ...19806985988
bovine onchocerciasis in tompkins country, new york. 19817261594
characteristics of yersinia enterocolitica and related species isolated from human, animal, and environmental sources.during a 4-year period, 4,448 human, animal, and environmental samples collected in new york state were tested for the presence of yersinia enterocolitica or related species. a total of 339 isolates were identified as yersinia and characterized according to source, species, biogroup, serogroup, and, in some instances, phage type. four new biogroups of y. intermedia were characterized. of 149 human isolates, 120 (80.5%) were identified as y. enterocolitica, and 29 were identified as either y. int ...19817287887
infant feeding practices of families belonging to a prepaid group practice health care plan.a survey of the infant feeding practices of 270 families who belonged to a prepaid medical insurance program revealed extensive use of commercially prepared infant formulas during the first months of life, introduction of beikost before 3 months of age and introduction of cow milk into the diet at 3 to 5 months. ethnic, as well as socioeconomic differences, were observed in the use of milks and formulas, timing of introduction of beikost, and method of feeding solid foods. average calorie intake ...19807367143
new york state and u.s. federal fluoride pollution standards do not protect cattle health.fluoride emissions from an aluminum plant in new york state just west to the bridge to cornwall, ontario, canada, are in compliance with new york state and u.s. federal standards. ambient air fluoride virtually never exceeds new york state standards. in a new york state dairy farm, downwind from the aluminum plant about 40% of the time and with the fields within 1300 to 2800 m from the plant, fluoride contamination of forage ranged from 13 to 25 ppm, well below the 40 ppm which is the "tolerance ...19807408498
estimates using an animal model of (co)variances for yields of milk, fat, and protein for the first lactation of holstein cows in california and new york.first lactation yields of milk, fat, and protein from holstein cows in new york and california were used to obtain reml estimates of (co)variances for yield traits using a multitrait animal model. data from each state were split randomly into 10 samples, averaging 5504 cows per sample from california and 5078 from new york. mean heritability estimates for milk, fat, and protein yields were .30 +/- .02, .31 +/- .01, and .29 +/- .01 for california data and .33 +/- .01, .35 +/- .01, and .30 +/- .01 ...19957593854
rabies surveillance in the united states during 1993.in 1993, 49 states, the district of columbia, and puerto rico reported 9,495 cases of rabies in nonhuman animals and 3 cases in human beings to the centers for disease control and prevention. greater than 93% (8,889 cases) were wild animals, whereas 6.4% (606 cases) were domestic species. the total number of reported cases increased 9.9% over that of 1992 (8,645 cases), with most of the increase resulting from continued spread of rabies in raccoons (37.1% increase in reported cases over 1992). t ...19947744643
polychlorinated dibenzo-p-dioxins and dibenzofurans in raw milk samples from farms located near a new resource recovery incinerator.bovine milk samples were taken from farms near a new resource recovery incinerator both before and one year after the incinerator went into operation. these samples were analyzed for 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans using liquid-liquid extraction, a semi-automated clean-up procedure and high resolution gas chromatography/high resolution mass spectrometry. no significant differences were observed between the pcdd/f concentrations in the pre-o ...19957749722
evaluation of hiv type 1 western blot-indeterminate blood donors for the presence of human or bovine retroviruses.from 1985 through 1990, 1100 of 500,000 human blood donations in syracuse, new york were repeatedly reactive by elisa for antibodies to the human immunodeficiency virus type 1 (hiv-1). nine hundred of the elisa-reactive samples were confirmed as negative by western blot (wb), 40 were confirmed as positive, and the remaining 160 sera were indeterminate, reacting mainly with hiv-1 gag gene products. twenty donors with the most reactive indeterminate wb were selected for follow-up studies. four of ...19957786586
variance of interaction effects of sire and herd for yield traits of holsteins in california, new york, and pennsylvania with an animal model.an animal model with a reml algorithm was used to estimate variances of additive genetic effects and interaction effects of sire and herd. milk and fat yields were analyzed for first, second, and third lactations of holsteins from california, new york, and pennsylvania. twenty samples of data were used in the study: 10 from california, 4 from new york, and 6 from pennsylvania. mean number of lactations per sample was 36,820 from 18,189 cows in 156 herds. mean fractions of phenotypic variance of ...19957790587
hybridization of clinical escherichia coli isolates from calves and piglets in new york state with gene probes for enterotoxins (stap, stb, lt), shiga-like toxins (slt-1, slt-ii) and adhesion factors (k88, k99, f41, 987p).six hundred and sixty-six bovine and fifty-seven swine clinical isolates of e. coli from new york state were examined for the presence of enterotoxins (stap, stb, lt, slt-i, and slt-ii) and adhesins (k88, k99, f41, and 987p) using colony hybridization techniques. three hundred and sixty-seven of the bovine isolates (45.2%) hybridized with at least one gene probe. of these, two hundred and twenty-three (33.2%) hybridized with f41, one hundred twelve (16.7%) with k99, eighty-two (12.2%) with 987p, ...19947912467
resection of aortic arch aneurysms using an external shunt.surgical treatment of aneurysms of the thoracic aorta had its beginnings in the early 1950s. at that time, thoracic aneurysms were usually due to syphilitic infection and were usually fatal. before the development of the heart-lung machine, it was realized that external shunts could facilitate the repair of these aneurysms. in 1954, dr ralph alley and his colleagues at albany medical center reported 2 patients who had surgical correction of thoracic aortic aneurysms using external vascular shunt ...19948166511
production of enterotoxins and toxic shock syndrome toxin by bovine mammary isolates of staphylococcus aureus.the production of staphylococcal enterotoxin a (sea), seb, sec, sed, and see and toxic shock syndrome toxin 1 by bovine mammary isolates of staphylococcus aureus was evaluated. enterotoxin secretion was detected by immunodiffusion using specific polyclonal antisera. of 262 isolates examined, 75 (28.6%) produced one or more toxins. the most common pattern was secretion of both sec and sed and toxic shock syndrome toxin 1. no isolates secreted see, one produced sea, and seven secreted seb.19938458968
health effects of outdoor air pollution. committee of the environmental and occupational health assembly of the american thoracic society.particles, sox, and acid aerosols are a complex group of distinct pollutants that have common sources and usually covary in concentration. during the past two decades, the chemical characteristics and the geographic distribution of sulfur oxide and particulate pollution have been altered by control strategies, specifically taller stacks for power plants, put in place in response to air pollution regulations adopted in the early 1970s. while the increasing stack heights have lowered local ambient ...19968542133
the association between previous 305-day milk yield and disease in new york state dairy cows.logistic regression was used to examine the association between milk yield and disease. we studied 8070 cows of second or higher parity from 25 new york state holstein herds, calving between june 1990 and november 1993. previous 305-d mature equivalent milk yield was used because most of the disorders studied occurred too early in lactation for current milk yield to be considered. seven disorders were studied: retained placenta, metritis, ovarian cyst, milk fever, ketosis, abomasal displacement, ...19958786253
age and seasonal effects on holstein yield for four regions of the united states over time.multiplicative factors to adjust holstein yield for age and season of calving were calculated and analyzed from 20 data files for region and time. regions were 1) california, 2) minnesota and wisconsin, 3) new york and pennsylvania, and 4) six southern states (texas, louisiana, mississippi, alabama, georgia, and florida). time periods were calving years of 1964 to 1968, 1971 to 1975, 1976 to 1980, 1981 to 1985, and 1986 to 1990. the same statistical model was used that had been used to derive cu ...19958786269
traumatic flexor tendon injuries in 27 cattle.information for all cattle with a diagnosis of tendon injury entered into the veterinary medical data base (vmdb) was retrieved and selected medical records reviewed. the proportional morbidity rate for tendon disruption was 0.89 cattle/1,000 cattle admissions and 95 of 99 cattle survived. female and dairy cattle had a greater risk of tendon disruption than male or beef cattle, respectively. also, cattle 6 months to 7 years old had a greater risk than cattle younger than 6 months old. complete m ...19968810022
the effect of calfhood diseases on growth of female dairy calves during the first 3 months of life in new york state.our objective was to study the effects of pneumonia (cumulative incidence, 25%), diarrhea (29%), umbilical infection (14%), and umbilical hernia (15%) on bw and height gains during the first 3 mo of life. female dairy calves (n = 410) born from january to december 1990 in 18 commercial herds in new york state were used. average daily gains during the 1st, 2nd, and 3rd mo were 374, 596, and 719 g, respectively; average gain was 565 g during the 3-mo period. average monthly height gains during the ...19968827469
genomic analysis using pulsed-field gel electrophoresis of escherichia coli o157: h7 isolated from dairy calves during the united state national dairy heifer evaluation project (1992-1992).the genomic fingerprints of 26 escherichia coli o157:h7 isolates from calves on 20 farms in 16 states were determined by pulsed-field gel electrophoresis (pfge). digestion of genomic dnas with the restriction enzymes sfii and xbai yielded 14 and 18 restriction endonuclease digestion profiles (redp), respectively. seventeen farms (85%) had e. coli o157:h7 with a unique redp, and when more than one calf tested positive on a farm, the isolates displayed identical redp. isolates from different farms ...19969054119
experiences with the new york state bovine leukosis virus eradication and certification program.the diagnostic laboratory at the veterinary college at cornell university has offered a bovine leukosis virus (blv) eradication/ certification program since 1985. the program has been popular with purebred breeders since its inception. recently, many commercial dairymen have also begun participating to reduce the high incidence of clinical leukosis observed in their heavily infected herds. eradication is achieved through a management and testing program designed to meet the needs of each farm. o ...19979071751
diversity of streptococcus agalactiae and staphylococcus aureus ribotypes recovered from new york dairy herds.to develop a reference database for characterization of bovine staphylococcus aureus and streptococcus agalactiae strains by automated ribotyping and to use it to assess the discriminatory power of this typing procedure and the geographic distribution of sta aureus and str agalactiae strains in new york state dairy herds.19979140555
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