| a survey of infectious diseases in wild turkeys (meleagridis gallopavo silvestris) from arkansas. | wild turkeys (meleagridis gallopavo silvestris) trapped as part of a relocation program by the arkansas game and fish commission were tested for selected infectious diseases and parasites. the 45 birds were trapped at four locations in pope, scott, and montgomery counties (arkansas, usa). forty-four blood samples for serology, 27 blood smears and 12 fecal samples were collected. of the serum samples tested, 20 of 44 (45%) were positive for pasteurella multocida by enzyme-linked immunosorbent ass ... | 1990 | 2250323 |
| a pathologic study of wild turkeys in connecticut. | during the 1984 to 1986 spring hunting seasons in connecticut, viscera from 300 hunter-killed wild turkeys and blood samples from live-trapped wild turkeys were examined in order to establish a health profile on the state's wild turkey population. seven species of endoparasites were recovered from 224 (75%) of 300 birds: metroliasthes lucida, ascaridia dissimilis, heterakis gallinarum, syngamus trachea, capillaria species, trichomonas gallinarum, and eimeria species. the most prevalent parasites ... | 1988 | 3168472 |
| observations on the life history of ascaridia dissimilis (perez vigueras, 1931) and its relationship to ascaridia galli (schrank, 1788). | | 1974 | 4436771 |
| observations on the tissue and post-tissue larval development of ascaridia dissimilis vigeuras 1931, and a comparison with that of ascaridia galli, in turkeys. | | 1968 | 5740552 |
| blood and gastrointestinal parasites of eastern wild turkeys from kentucky and tennessee. | fifty-nine gastrointestinal tracts and 52 blood samples were collected from eastern wild turkeys (meleagris gallopavo silvestris vieillot) during the spring turkey hunts of 1979-1980 from two areas in western kentucky and tennessee. eight species of parasites were recovered, and included (combined prevalence): haemoproteus meleagridis levine, 1961 (25%), hymenolepis carioca (magalhaes, 1898) (44%), metroliasthes lucida ransom, 1900 (25%), raillietina georgiensis (reid and nugara, 1961) (15%), r. ... | 1984 | 6492320 |
| a longitudinal study of green-liver osteomyelitis complex in commercial turkeys. | two flocks of nicholas tom turkeys from separate farms with histories of above-average condemnations for turkey green-liver osteomyelitis complex (toc) were studied throughout a 16-week growout. fifty birds from each farm were necropsied each week for 15 weeks, and birds that had green livers, osteomyelitis in the proximal tibia, or swollen joints were cultured for aerobic bacteria along with an equal number of control birds. at processing, toc lesions and green livers were obtained for bacteria ... | 1994 | 7702507 |
| a survey of two commercial turkey farms experiencing high levels of liver foci. | two turkey farms that had previously experienced high levels of liver condemnations at slaughter were monitored through one complete growout cycle. liver foci appeared at both farms by week 2. more than 80% of the liver foci sampled did not have any aerobic or facultative bacteria isolated from the lesions. low numbers of ascaridia dissimilis larvae were found on both farms by week 3 in the growout. the patterns for the ascaridiasis at both farms were similar, although one of the farms had a hig ... | 1994 | 7702526 |
| ascaridia dissimilis larval migration associated with enteritis and low market weights in meat turkeys. | a meat turkey ranch had a history of producing flocks with low market weights. live bird samples and environmental samples from the ranch were collected over a period of eight months and analyzed at the california veterinary diagnostic laboratory system-turlock branch. the disease condition consistently present was enteritis associated with ascaridia dissimilis infection in birds from growout houses. after aggressive control measures for a. dissimilis were implemented, subsequent flocks reached ... | 1995 | 8719218 |
| a survey of sixty turkey flocks exhibiting hepatic foci taken at time of processing. | fifty turkey flocks including 24 16-week-old male flocks and 26 20-week-old male flocks were sampled at time of processing. hepatic foci were cultured for aerobic and anaerobic bacteria. the majority of these did not have any bacteria recovered from the lesions. of the bacteria that were recovered, most were facultative anaerobes, with escherichia coli and salmonella sp. comprising the most common isolates. all of the birds examined (300 total) for parasites were infected with varying levels of ... | 1996 | 8790901 |
| an outbreak of histomoniasis in turkeys infected with a moderate level of ascaridia dissimilis but no heterakis gallinarum. | histomoniasis was diagnosed in a commercial turkey flock. all morbidity and mortality occurred in one house. birds exhibited lesions characteristic for histomoniasis, and the diagnosis was confirmed by histopathologic examination. affected turkeys were infected with moderate levels of ascaridia dissimilis but not heterakis gallinarum. compression smears of hepatic tissues showed typical histotrophic phase histomonas meleagridis, whereas cecal smears exhibited large numbers of trichomonas gallina ... | 1999 | 10396651 |
| notes on ascaridia dissimilis. | | 1958 | 13576270 |
| research note: use of fenbendazole for the treatment of turkeys with experimentally induced nematode infections. | turkeys were raised under parasite-free conditions until 25 days of age at which time the birds were administered infective ova of capillaria obsignata, heterakis gallinarum, and ascaridia dissimilis. at 28 days postinfection, four groups of birds were placed on rations medicated with fenbendazole at 15,30,45, or 60 ppm. these rations were given ad libitum for 6 consecutive days. at 31 days postinfection, five additional groups of birds were placed on rations medicated with fenbendazole at 15,30 ... | 1991 | 1924100 |
| high mortality of domestic turkeys associated with ascaridia dissimilis. | third- and fourth-stage ascaridia dissimilis larvae were isolated from commercial white turkey intestinal scrapings from two farms that were experiencing high mortality. lesions consisted of a necrotic-like enteritis that was most severe in the jejunum. subsequent bacteriological isolation yielded heavy growth of escherichia coli and clostridium perfringens. the rate of mortality declined rapidly when the turkeys were administered 18 ppm fenbendazole for 7 days. | 1992 | 1627118 |
| studies on the effect of concurrent infections of ascaridia dissimilis and eimeria meleagrimitis in turkeys. | the effects of concurrent infections of ascaridia dissimilis and eimeria meleagrimitis in turkeys were studied in two separate trials. in the first trial, newly larvated ova were used to inoculate poults 7 or 3 days before, on the same day as, or 3 days after the poults received e. meleagrimitis. poults receiving the a. dissimilis 3 days before, on the same day as, or 3 days after receiving e. meleagrimitis had significantly lower total oocyst production than the e. meleagrimitis-positive contro ... | 1992 | 1485857 |
| comparative cytological studies of mitotic and male meiotic karyotype of ascaridia dissimilis (vigueras, 1931) and ascaridia galli (schrank, 1788). | gametogony and spermatogenesis of a. dissimilis and a. galli were studied. it was found that the chromosome number of a. dissimilis is 2n = 10 for female specimens and 2n = 9 for male ones. the chromosome number of a. galli is also 2n = 10 for female specimens and 2n = 9 for males ones. comparison of the relative length of chromosomes in the chromosome set, expressed in percentages, shows nearly equal magnitudes for both species. spermatogenesis processes were studied. it was found that they run ... | 1976 | 1258524 |
| the use of fenbendazole in the treatment of commercial turkeys infected with ascaridia dissimilis. | birds on a commercial turkey farm were treated with fenbendazole on two separate occasions. for each treatment, fenbendazole was administered in the feed for 3 days at 30 mg/kg. mean ascaridia dissimilis total counts in randomly selected birds were 14.4 and 33.0 prior to the first and second treatments, respectively, whilst post-treatment counts averaged only 0.1 and 0.3, respectively. anthelmintic effectiveness as demonstrated by both treatments was >99.0%. no untoward effects were noted with e ... | 1993 | 18671006 |
| subclinical effects and fenbendazole treatment of turkey ascaridiasis under simulated field conditions. | under simulated natural conditions of bird production and parasite challenge, the effects of ascaridiasis and the effectiveness of fenbendazole treatment (6-day regimes in the feed at 16 ppm) were documented. birds were artificially challenged with ascarid larvae on a daily basis from day 35 to 112, with bird grow out ending on day 119. experimental groups, on a per pen basis, were infected control, treated with fenbendazole at days 63-69, treated with fenbendazole at days 63-69 and days 91-97, ... | 2002 | 12495049 |
| presence and recovery of ascaridia dissimilis ova on the external shell surface of turkey eggs. | ascaridia dissimilis, a roundworm in turkeys, has been noted with increased frequency in commercial turkeys. because infected turkeys can shed a. dissimilis ova in their feces, the potential exists for the external surface of turkey eggshells to be contaminated with a. dissimilis ova. the objectives of this study were to determine the presence of and recover a. dissimilis ova on the external surface of the turkey egg. in experiment 1, turkey eggs were collected from naturally infected flocks, an ... | 2001 | 11417835 |
| ascarid-associated hepatic foci in turkeys. | hepatic foci are a serious economic problem for most turkey-producing areas in the united states. current estimates indicate that as much as 43% of the flocks sent to slaughter may experience condemnations because of hepatic foci. the present experiments were designed to duplicate naturally occurring lesions with ascaridia dissimilis. newly hatched poults were placed on fresh litter and given feed containing either 500 embryonated a. dissimilis ova/bird/day (from day of hatch) or no ova, in thre ... | 1999 | 10216757 |