| immunologic discrepancy between intestinal and cell culture viruses of transmissible gastroenteritis of swine. | | 1973 | 4587055 |
| rabies in illinois farm animals. | | 1970 | 5463042 |
| evidence for periodicity of swine influenza in illinois--1963 to 1970. | | 1972 | 4672922 |
| identification of certain escherichia coli strains isolated from baby pigs in north central united states. | | 1967 | 4861326 |
| leptospirosis: long-term surveillance on an illinois farm. | | 1970 | 5466317 |
| hatch rd: investigation of four outbreaks of acute respiratory disease in swine and isolation of swine influenza virus. | | 1968 | 5748459 |
| comments on vaccines for transmissible gastroenteritis. | | 1972 | 4624107 |
| reproductive performance of swine on 76 illinois farms. | | 1972 | 4638506 |
| relationship between fumonisin contamination of feed and mystery swine disease. a case-control study. | fumonisin is a recently identified mycotoxin that has been shown to be the cause of pulmonary edema disease in swine and leukoencephalomalacia in horses. mystery swine disease (msd), is an economically devastating disease complex of unknown etiology that has been reported to have occurred in several swine producing states since 1988. to determine the relationship between msd and fumonisin, a case-control study was carried out in illinois in mid-1990. feed samples collected from 12 case and 9 con ... | 1992 | 1325037 |
| prevalence of coccidia in swine from six localities in the united states. | | 1966 | 4959963 |
| problems related to epizootiology of swine leptospirosis. | | 1972 | 4555396 |
| brucellosis in an illinois abattoir. | | 1972 | 5063138 |
| use of pseudorabies hyperimmune serum in naturally occurring pseudorabies in illinois swine herds. | | 1977 | 560362 |
| prevalence of pseudorabies in sows in central illinois. | of 1,224 serums from slaughtered sows from central illinois, 52 (4.25%) were found to be positive for pseudorabies neutralizing antibody. | 1975 | 168171 |
| serologic evidence of human infection with swine influenza virus. | | 1970 | 5465431 |
| prevalence of pseudorabies virus infection and associated infections in six large swine herds in illinois. | sera were collected from 6 large farrow-to-finish swine herds infected with pseudorabies virus (prv) in illinois. all herds were participating in the large herd cleanup study, a usda-initiated project to evaluate the feasibility of eradicating pseudorabies from large farms (greater than 400 sows) by use of a combination of vaccination and management changes. herd size ranged between 425 and 1,500 breeding females. between april and july 1990, sera for measurement of prv antibodies were obtained ... | 1991 | 1651912 |
| disease of the year swine brucellosis. | | 1969 | 4388493 |
| arbovirus studies in the ohio-mississippi basin, 1964-1967. ii. st. louis encephalitis virus. | | 1969 | 5817890 |
| arbovirus studies in the ohio-mississippi basin, 1964-1967. iv. cache valley virus. | | 1969 | 5817892 |
| prevalence of salmonella spp. in domestic animals and wildlife on selected illinois farms. | | 1968 | 5691641 |
| evaluation of field isolates of pseudorabies (aujeszky's disease) virus as determined by restriction endonuclease analysis and hybridization. | sixty-seven isolates of pseudorabies virus (prv) from 13 states were cleaved with 4 restriction endonucleases (re), and after electrophoresis in agarose, their banding patterns were photographed and evaluated. the deoxyribonucleic acid (dna) cleavage fragments were designated into regions specified by molecular weight ranges based on lambda phage dna as a size marker. the 67 prv isolates were evaluated according to the total number of cleavage fragments, by the number of fragments within designa ... | 1984 | 6093637 |
| the prevalence of hemagglutination-inhibition (hi) antibodies to influenza viruses a/swine/ill/63 and a/swine/taiwan/7310/70 (h3n2) in illinois swine herds--1971 to 1973. | serum samples from 449 swine in 78 herds distributed in 28 counties in illinois were tested for hi antibodies against a/swine/ill/63 and a/swine/taiwan/7310/70 (h3n2) from 1971 to 1973. no antibodies to the taiwan strain were detected. a herd reactor rate of 42.3% and a prevalence rate of 25.4% against a/swine/ill/63 was detected. age specific reactor rates were 6% for animals 12 months of age or under and 33% for swine 13 to 18 months of age. | 1975 | 1135519 |
| stomach ulcers in farrowing gilts. | | 1966 | 5947998 |
| a sausage-associated outbreak of trichinosis in illinois. | twenty-three of 50 members of an extended dutch-german family and their close friends who ate raw homemade summer sausage became ill with trichinosis; 12 patients were hospitalized for an average of 10 days each. the sausage had been made in three different batches according to an old family recipe. one of the batches made from usda-inspected pork was found to contain trichinella spiralis larvae by two illinois state laboratories. the other two batches were negative. seventeen of the 23 patients ... | 1976 | 1034441 |
| swine influenza virus in swine and man in illinois. | serum samples from 2,091 persons from illinois populations of swine abattoir employees, 4-h club youths and their advisors, veterinary medical students, pork producers, and veterinarians were tested for hemagglutination-inhibition (hi) antibodies to a/swine/ill./63. a total of 231 positive reactions of 1:20 or above were found (11%). the highest prevalence of antibody was found in veterinarians, followed by pork producers and future swine abattoir employees. age-adjusted reactor rates were highe ... | 1981 | 6260919 |
| epizootiologic features of transmissible swine gastroenteritis. | | 1971 | 5106049 |
| clinical study of mastitis-metritis-agalactia in sows in illinois. | mastitis-metritis-agalactia (mma) occurred in 6.9% of 16,405 farrowings recorded over 1 year (1981) in 31 illinois swine herds. prevalence of mma among herds ranged from 1.1% to 37.2% and was not correlated to herd size. there was a significant positive correlation between the prevalence of mma and the housing system wherein sows were moved from pasture gestation to crates immediately before farrowing. a significant seasonal peak of mma was found for the third quarter of the year (10.3%). mean p ... | 1984 | 6746376 |
| application of phylogeny reconstruction and character-evolution analysis to inferring patterns of directional microbial transmission. | i used phylogenetic analyses to reconstruct patterns of directional interspecific transmission during a pseudorabies virus outbreak in illinois, usa, in 1989. isolates were recovered from five species: cattle, sheep, goats, pigs, and raccoons (procyon lotor). i generated dna sequences for 16 isolates of pseudorabies virus at the glycoprotein c gene, from which i constructed phylogenetic trees. i then used these trees, in combination with parsimony-based analyses of character evolution, to infer ... | 2003 | 14516717 |
| allergy to laboratory animals: epidemiologic, clinical, and physiologic aspects, and a trial of cromolyn in its management. | a survey was conducted by personal interview with all identified subjects in a large medical center who had regular exposure to laboratory animals. of 399 subjects, 59 (15%) had symptoms suggestive of allergy to laboratory animals. such allergy was more likely to occur in subjects with previously known allergies, especially to domestic pets, and was most likely to become manifest within a few months of the first exposure. in the group with allergy to laboratory animals, nasal symptoms were invar ... | 1980 | 6772703 |
| continuous non-therapeutic use of antibacterial drugs in feed and drug resistance of the gram-negative enteric florae of food-producing animals. | fecal samples from illinois farm animals and montana range cattle were examined for the frequency of gram-negative enteric organisms resistant to oxytetracycline, dihydrostreptomycin, or ampicillin. the illinois farm animals were continually fed rations containing various antibacterial drugs. the montana range cattle had minimal exposure to antibacterial drugs. the majority of samples from illinois farm animals demonstrated 10% or more antibiotic-resistant organisms. in contrast, resistant organ ... | 1974 | 4615630 |
| brucellosis in the united states, 1960-1972; an abattoir-associated disease. part iii. epidemiology and evidence for acquired immunity. | | 1974 | 4612294 |
| eimeria and sarcocystis in raccoons in illinois. | eimeria nuttalli oocysts were found in 58% (21/36) and e. procyonis oocysts in 25% (9/36) of raccoons procyon lotor in illinois, and sporocysts of sarcocystis sp. in 17% (2/12) of other raccoons in illinois. the oocysts of e. nuttalli were ellipsoidal to ovoid, 15-21 x 12-17 micrometer, with a one-layered, smooth, colorless wall. the oocysts of e. procyonis were 22-28 x 18-22 micrometer, with a rough, striated, brownish, two-layered wall. the sporulated sporocysts of sarcocystis sp. were 11-13 x ... | 1981 | 6792347 |
| pike county, illinois, swine brucellosis project. | | 1975 | 1078069 |
| prevalence of trichinella spiralis in wild animals on two illinois swine farms. | | 1968 | 5689166 |
| a large-scale epizootic of gastrotenteritis in illinois swine 1968-1969. | | 1970 | 5534959 |
| prevalence of antibodies to toxoplasma gondii in swine in illinois in 1992. | a serologic survey that tested for antibodies to toxoplasma gondii was conducted, using the modified direct agglutination test, on 6,965 serum samples collected from swine in 179 herds in illinois in 1992. in breeding swine, results for 1,057 of 5,080 (20.8%) sera tested were positive. in growing/finishing swine, results for 59 of 1,885 (3.1%) sera tested were positive, which was substantially lower than the seroprevalence rate estimated in a serosurvey of pigs from abattoirs in illinois in 1983 ... | 1995 | 7782249 |
| risk factors for infection with toxoplasma gondii for residents and workers on swine farms in illinois. | risk factors for toxoplasma gondii infection in workers and residents of swine farms were studied on 43 farms in illinois. blood samples were collected from 174 adults in 1993. the t. gondii seroprevalence was 31%. an interview was conducted with each participant, obtaining information on demographic characteristics and behaviors suspected to affect the risk of t. gondii infection. factors associated with increased risk of t. gondii seropositivity were a higher number of seropositive cats trappe ... | 1999 | 10344655 |
| animal poison control center: summary of telephone inquiries during first three years of service. | | 1983 | 6833090 |
| effect of subcutaneous vs intramuscular administration of p.g. 600 on estrual and ovulatory responses of prepubertal gilts. | the effects of s.c. and i.m. administration of p.g. 600 on estrual and ovulatory responses of prepubertal gilts were investigated. one hundred eighty-four crossbred gilts between 159 and 174 d of age were assigned to receive p.g. 600 s.c. (s.c. p.g. 600) in the flank, p.g. 600 i.m. in the neck (i.m. p.g. 600), or no treatment (control). at the beginning of the study (d 0), animals were selected from a modified, open-front barn, regrouped, relocated to new pens, and exposed once daily to a mature ... | 2000 | 10907814 |
| sources and reservoirs of toxoplasma gondii infection on 47 swine farms in illinois. | field studies were conducted on 47 swine farms in illinois during 1992 and 1993 to identify sources and reservoirs of toxoplasma gondii infection. blood samples were obtained from swine and from trapped wildlife. serum antibodies to t. gondii were determined using the modified agglutination test, incorporating mercaptoethanol. antibodies to t. gondii (titer > or = 25) were found in 97 of 4,252 (2.3%) finishing pigs, 395 of 2,617 (15.1%) sows, 267 of 391 (68.3%) cats, 126 of 188 (67.0%) raccoons, ... | 1995 | 7472862 |
| epidemiologic findings on a swine farm with enzootic toxoplasmosis. | a farm in illinois had swine with enzootic toxoplasma gondii infections. ninety-five of 99 pigs had antibody against t gondii by the modified agglutination test; modified agglutination test titers were less than 1:10 (4 pigs), 1:10 (15 pigs), 1:20 (12 pigs), 1:40 (10 pigs), 1:80 (20 pigs), 1:160 (11 pigs), 1:320 (12 pigs), 1:640 (9 pigs), and greater than or equal to 1:1,280 (6 pigs). to trace the route of infection, toxoplasma-free pigs were introduced into the farm and were evaluated serologic ... | 1986 | 3733501 |
| risk factors for transmission of toxoplasma gondii on swine farms in illinois. | two epidemiologic studies of risk factors for transmission of toxoplasma gondii to swine were conducted for farms in illinois. the first study was a cross-sectional survey of swine farms from the state of illinois pseudorabies testing program, in which farm owners or managers were interviewed by telephone regarding presence of risk factors for transmission of t. gondii on the farm. there were 123 farms surveyed that provided blood samples for at least 30 sows. the mean sow seroprevalence was 19. ... | 1995 | 7472865 |
| pork producers' attitudes, knowledge, and production practices that relate to on-farm food safety. | a survey was distributed by mail to a random selection of illinois pig farmers marketing 1,000 or more pigs in 1998 to assess their knowledge, attitude and behavior regarding on-farm food safety. valid responses were received from 353 of the 946 surveys mailed (37.3%). pork production accounted for more than 50% of gross agricultural revenues among 65.0% of respondents, and 91.2% were classified as "owner-operators." knowledge of food-borne pathogens was mixed, with correct responses to question ... | 2001 | 11770625 |
| comparative utility of restriction fragment length polymorphism analysis and gene sequencing to the molecular epidemiological investigation of a viral outbreak. | restriction fragment length polymorphism (rflp) analysis and partial-genome dna sequencing are commonly used to infer genetic relationships among pathogens. this study compares the application of both techniques to the analysis of 16 pseudorabies virus isolates collected during a 1989 outbreak. genetic distances derived from rflp and dna sequence data were not significantly correlated with geographic distances between farms from which isolates were collected. rflp-based genetic distance was, how ... | 2001 | 11467798 |
| prevalence of antibodies to hepatitis e virus in veterinarians working with swine and in normal blood donors in the united states and other countries. | hepatitis e virus (hev) is endemic in many developing and some industrialized countries. it has been hypothesized that animals may be the source of infection. the recent identification of swine hev in u.s. pigs and the demonstration of its ability to infect across species have lent credence to this hypothesis. to assess the potential risk of zoonotic hev infection, we tested a total of 468 veterinarians working with swine (including 389 u.s. swine veterinarians) and 400 normal u.s. blood donors ... | 2002 | 11773103 |
| survey of vomitoxin-contaminated feed grains in midwestern united states, and associated health problems in swine. | during the 1981 corn harvest season in illinois and surrounding states, cold wet weather enhanced the growth of fusarium graminearum, with resulting contamination by vomitoxin and, to a lesser extent, zearalenone. of 342 feed samples analyzed, 274 contained vomitoxin at a concentration ranging from 0.1 to 41.6 ppm (mean, 3.1 ppm) and 40 samples contained zearalenone at a concentration ranging from 0.1 to 8 ppm (mean, 0.66 ppm). animal health problems and reduced growth performance were observed ... | 1984 | 6230342 |
| regional and processor variation in the ileal digestible amino acid content of soybean meals measured in growing swine. | to assess differences in soybean meal quality related to region of production, researchers in illinois, kansas, north carolina, the netherlands, and ohio collected four soybean meal samples processed locally at least 15 d apart. these samples were assayed for ileal amino acid digestibility by pigs using a common soybean meal and a soy protein concentrate as references, and a low-protein casein diet for determination of endogenous amino acid losses. digestibility was determined at each university ... | 2002 | 11883431 |
| genetic, geographical and temporal variation of porcine reproductive and respiratory syndrome virus in illinois. | porcine reproductive and respiratory syndrome virus (prrsv) orf5 gene sequences were generated by rt-pcr from 55 field isolates collected in illinois and eastern iowa. spatial and temporal patterns of genetic variation in the virus were examined on a local geographical scale in order to test the hypothesis that the genetic similarity of prrsv isolates (measured as their percentage pairwise orf5 nucleotide similarity) was positively correlated with their geographical proximity. levels of genetic ... | 2000 | 10640555 |
| skeletal distribution of ra226 in swine consuming feed and water with naturally occurring radium. | | 1964 | 14168596 |
| newspaper coverage of controversies about large-scale swine facilities in rural communities in illinois. | the building and expansion of large-scale swine facilities has created considerable controversy in many neighboring communities, but to date, no systematic analysis has been done of the types of claims made during these conflicts. this study examined how local newspapers in one state covered the transition from the dominance of smaller, diversified swine operations to large, single-purpose pig production facilities. to look at publicly made statements concerning large-scale swine facilities (lss ... | 2005 | 16230670 |
| bioeconomic evaluation of sow longevity and profitability. | sow production indicators, including litter size, litter weight, and the length of time that sows remained in the herd (sow longevity), were used to characterize sow performance and profitability. sow longevity and production records from 148,568 sows in 32 commercial herds from central illinois from january 1995 to may 2001 were analyzed using survival and repeatability models, respectively. the factors studied included sow genetics (32 genetic lines), with eight major lines present in multiple ... | 2003 | 14677846 |
| isolation of mycoplasma flocculare from swine in the united states. | during 1977 to 1980, mycoplasma flocculare was isolated from the lungs of 7 swine in the united states. two of the swine were from a single alabama herd, 1 was from minnesota, 2 were from different illinois herds, and 2 were from different indiana herds. three of the swine were from specific-pathogen-free herds and 4 were from conventional herds. the lungs from the 7 swine had gross lesions typical of mycoplasmal pneumonia. two lungs yielded a mixture of m flocculare and m hyopneumoniae; the rem ... | 1981 | 7283233 |
| characterization of an epizootic of pulmonary edema in swine associated with fumonisin in corn screenings. | in 1989, corn screenings were associated with acute interstitial pulmonary edema, hydrothorax, and death in swine. attack rate was 5-50%, case fatality rate was 50-90%, and clinical course was 1-2 days. screenings from farms with pigs affected with pulmonary edema contained 20-330 micrograms fumonisin b1 per gram. screenings containing 92 micrograms fumonisin b1 per gram fed to weanling pigs caused pulmonary edema and death. sterilized corn inoculated with fusarium moniliforme and diluted 1:1 wi ... | 1992 | 1554770 |
| tetracycline residues and tetracycline resistance genes in groundwater impacted by swine production facilities. | antibiotics are used at therapeutic levels to treat disease; at slightly lower levels as prophylactics; and at low, subtherapeutic levels for growth promotion and improvement of feed efficiency. over 88% of swine producers in the united states gave antimicrobials to grower/finisher pigs in feed as a growth promoter in 2000. it is estimated that ca. 75% of antibiotics are not absorbed by animals and are excreted in urine and feces. the extensive use of antibiotics in swine production has resulted ... | 2006 | 17127527 |
| ileal amino acid digestibilities by pigs fed soybean meals from five major soybean-producing countries. | growing conditions and processing technologies to which soybeans (sb) are exposed have an effect on digestibilities of aa found in the resultant soybean meals (sbm). this study evaluated sbm from five major sb-producing countries (argentina, brazil, china, india, and the united states). an industry representative in each country collected samples of unprocessed sb and sbm subjectively determined to be of high, intermediate, or low quality. the sb from each country were processed into sbm under u ... | 2004 | 15542466 |
| isolation and characterization of h3n2 influenza a virus from turkeys. | five 34-wk-old turkey breeder layer flocks in separate houses of 2550 birds each in a single farm in ohio experienced a drop in egg production from late january to early february 2004. tracheal swabs (n = 60), cloacal swabs (n = 50), and convalescent sera (n = 110) from the flocks were submitted to the laboratory for diagnostics. virus isolation was attempted in specific-pathogen free embryonating chicken eggs and vero and mdck cells. virus characterization was performed using agar gel immunodif ... | 2005 | 16094824 |
| interspecies and intraspecies transmission of triple reassortant h3n2 influenza a viruses. | the triple reassortant h3n2 viruses were isolated for the first time from pigs in 1998 and are known to be endemic in swine and turkey populations in the united states. in 2004, we isolated two h3n2 triple reassortant viruses from two turkey breeder flocks in ohio and illinois. infected hens showed no clinical signs, but experienced a complete cessation of egg production. in this study, we evaluated three triple reassortant h3n2 isolates of turkey origin and one isolate of swine origin for their ... | 2007 | 18045494 |
| yersinia enterocolitica gastroenteritis among infants exposed to chitterlings--chicago, illinois, 2002. | during december 2002-january 2003, the chicago department of public health (cdph) investigated a cluster of yersinia enterocolitica infections reported during a 10-week period among nine chicago infants aged < or =1 year. this report summarizes the investigation of these cases and underscores the continuing risks for enteric infection among infants exposed to chitterlings (i.e., pork intestines), and the need for health-care providers to be aware of y. enterocolitica as a cause of gastroenteriti ... | 2003 | 14534510 |
| herd factors affecting the selection and success of intervention strategies in the program for eradication of pseudorabies (aujeszky's disease) virus from illinois swine farms. | the program for eradication of pseudorabies virus (prv) from swine herds in illinois was evaluated with respect to compliance with livestock conservation institute (lci) guidelines for selection of intervention strategies and for the effectiveness of these interventions under different herd conditions. the sample consisted of 395 swine operations quarantined between 1988 and 1994. these herds were followed until the end of 1996. the association of herd characteristics (number of sows, sow prv se ... | 1999 | 10423778 |
| seroprevalence of and risk factors for toxoplasma gondii in the us swine herd using sera collected during the national animal health monitoring survey (swine 2006). | the united states department of agriculture (usda) initiated the national animal health monitoring system (nahms) in 1983 to collect, analyse and disseminate data on animal health, management and productivity in us domestic livestock populations, including swine. the programme includes an on-farm serological sampling component which can be used to monitor seroprevalence of various pathogens, including toxoplasma gondii. the purpose of this study was to determine the seroprevalence of t. gondii i ... | 2010 | 19744304 |
| decreasing prevalence of q fever in illinois. | there were 858 (37.7 percent) q fever-infected dairy herds among the 2,277 tested in illinois in 1963. the percentage decreased to 19.2 percent (380 of 1,975) in 1967. reaction rates (complement-fixation test titer of 1:8 or greater) in serum samples from veterinarians decreased from 13.3 percent in 1956 to 3.9 percent in 1964 and from 3.6 percent in 1966 to 0 percent in 1968, 1970, 1972. there were 14 (2.7 percent) reactive serum samples among 526 abattoir workers tested in 1966; reaction rates ... | 1982 | 7063599 |
| pseudorabies virus infection in oklahoma hunting dogs. | pseudorabies is caused by suid herpesvirus 1, a member of the alphaherpesvirinae subfamily. although pigs are the natural host of pseudorabies virus (prv), the virus has a broad host range and may cause fatal encephalitis in many species. the united states obtained prv-free status in 2004 after the virus was eradicated from domestic swineherds, but the virus is still present in feral swine populations. the current report describes prv infection in 3 dogs that were used to hunt feral swine. the d ... | 2011 | 21908347 |
| methicillin-resistant staphylococcus aureus (mrsa) strain st398 is present in midwestern u.s. swine and swine workers. | recent research has demonstrated that many swine and swine farmers in the netherlands and canada are colonized with mrsa. however, no studies to date have investigated carriage of mrsa among swine and swine farmers in the united states (u.s.). | 2009 | 19145257 |
| comparison of measured total suspended particulate matter concentrations using tapered element oscillating microbalance and a total suspended particulate sampler. | a comparison of the concentration of the total suspended particulate (tsp) matter measured by the tapered element oscillating microbalance (teom) monitor and the isokinetic tsp samplers developed at the university of illinois was carried out in several types of confinement livestock buildings. in a majority of the measurements done, the dust concentration measured by the teom monitor was lower than the university of illinois at urbana-champaign (uiuc) isokinetic tsp sampler; the teom monitor ten ... | 2006 | 16573189 |
| airborne contaminants and farmers health in swine farms with high and low prevalence of respiratory diseases in pigs. | the main purpose of this study was to investigate the relationship between prevalence of respiratory disease in swine and respiratory health of swine farmers. fourteen farms were selected based on clinical history and slaughtercheck evidence of respiratory problems in pigs. the farms were divided into two groups with either high (n = 7) or low (n = 7) prevalence of respiratory disease in pigs. airborne dust, endotoxin and peptidoglycan were measured once in farrowing, gestation, nursery and fini ... | 1998 | 9852495 |
| progress after one year of a pseudorabies eradication program for large swine herds. | six large farrow-to-finish swine herds quarantined for pseudorabies in illinois participated in the usda-initiated large herd cleanup study. these herds were monitored for antibodies to pseudorabies virus (prv) for 1 year after the initiation of an intensive eradication program. herd size ranged between 425 and 1,500 females of breeding age. gene-deleted modified-live virus vaccines were used on all farms, with 3 of the 6 herds receiving a vaccine with a deletion of the gene for glycoprotein-i a ... | 1993 | 8407443 |
| trichinellosis caused by consumption of wild boar meat - illinois, 2013. | on march 6, 2013, the cook county department of public health (chicago, illinois) contacted the illinois department of public health regarding a diagnosis of trichinellosis in a patient who had consumed wild boar and deer meat obtained by hunting at a missouri ranch january 16-18. trichinellosis is a parasitic infection caused by consumption of undercooked infected meat, most commonly from carnivorous or omnivorous animals. | 2014 | 24848218 |