Treatment of racing pigeons naturally infected with Mycoplasma columborale and M columbinum     

J N Howse  F T Jordan 《The Veterinary record》1983,112(14):324-326

A group of six racing pigeons naturally infected with Mycoplasma columborale and M columbinum were housed in isolation and treated with tiamulin hydrogen fumarate in the drinking water for 35 days. Swabs from the oropharynx, the oesophagus and the trachea were negative for mycoplasmas at the end of this period. Mycoplasmas were recovered from two of the birds after a further nine days, and 13 weeks after the cessation of treatment mycoplasmas were recovered from all six birds.  相似文献   

Protein requirements of young lambs     

R M Jordan  H E Hanke 《Journal of animal science》1970,31(3):593-597

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Proteus mirabilis infection in a mouse colony     

J B Jones  P C Estes  A E Jordan 《Journal of the American Veterinary Medical Association》1972,161(6):661-664

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Ewe milk replacer diets for young lambs. IV. Protein and energy requirements of young lambs     

P W Chiou  R M Jordan 《Journal of animal science》1973,37(2):581-587

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Effect of energy levels provided ewe lambs post-weaning on their development and subsequent production     

R M Jordan  J W Rust  P W Chiou 《Journal of animal science》1970,31(5):950-955

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The site of replication of infectious bronchitis virus in the oviduct of experimentally infected hens     

R C Jones  F T Jordan 《The Veterinary record》1971,89(11):317-318

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American academy of veterinary pharmacology and therapeutics 14th biennial symposium     

Martinez M  Clark J  Dunham B  Hunter RP  Langston C  Lucas A  Jordan D 《Journal of veterinary pharmacology and therapeutics》2005,28(5):495-498

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Prevalence of gastrointestinal parasitism in Oklahoma swine     

R G Morris  H E Jordan  W G Luce  T C Coburn  C V Maxwell 《American journal of veterinary research》1984,45(11):2421-2423

The prevalence of swine gastrointestinal parasites was determined from all listed large swine operations (28) and a geographically representative sample (70) of the population of small hog farm operations in Oklahoma. Fecal samples (n = 975) were collected from 98 farms. From the 98 farms, parasites were recovered in pig feces as follows: Ascaris, 53.0%, strongyles, 53.1%, Trichuris, 35.7%, spirurids, 6.1%, Strongyloides, 19.4%, coccidia, 57.1%, and Balantidium, 55.1%. A higher percentage (16.5%) of hogs maintained on cement floors were positive for Ascaris than were those on either dirt lots (11.9%) or slatted floors (9.9%), but pigs on dirt lots were more often positive with a higher percentage of coccidia (21.0%) than those on either cement or slatted floors (8.5% and 6.0%, respectively). Prevalence of Trichuris was essentially the same (6.8% to 11.3%) in hogs from all 3 management practices.  相似文献   

The importance of endoparasite counts at necropsy     

H E Jordan  E L Stair 《Modern veterinary practice》1984,65(10):763-766

In a 2-year study of 49 Oklahoma cattle with a typical history of clinical endoparasitism, 12 animals had Ostertagia only, and Ostertagia was the predominant endoparasite in 21. Only 1 animal had a pure Haemonchus population. Though primary endoparasitism was diagnosed antemortem in 32 animals, postmortem worm counts confirmed the diagnosis in only 19. Worm counts documented inapparent disease in 8 animals. In 21 cases of suspected of toxicosis, 12 animals had endoparasitism none was poisoned.  相似文献   

A Lawsonia intracellularis transmission study using a pure culture inoculated seeder-pig sentinel model     

Jordan DM  Knittel JP  Knitted JP  Schwartz KJ  Roof MB  Hoffman LJ 《Veterinary microbiology》2004,104(1-2):83-90

Transmission of Lawsonia intracellularis from experimentally inoculated pigs to naive swine was demonstrated in this study. The study was conducted using conventional pigs divided into three groups as follows: principles inoculated with L. intracellularis, sentinels, and controls. The pigs were inoculated and paired on 13 and 9 days post-inoculation with a sentinel pig for 7 days. Fecal samples and serum samples were collected throughout the study for polymerase chain reaction (PCR) and antibody testing by indirect fluorescent antibody techniques. After co-mingling, the inoculated group was necropsied; sentinel and control pigs were necropsied 7-14 days later. The intestinal tracts were evaluated grossly and microscopically for lesions. PCR was performed on intestinal mucosal scrapings and feces. Warthin-Starry and fluorescent antibody staining procedures were conducted to confirm colonization with L. intracellularis. Gross and microscopic lesions typical of porcine proliferative enteropathy (PPE) were observed in both the inoculated and sentinel groups. Transmission was demonstrated from inoculated principle pigs to sentinel pigs. PCR results detected cyclical shedding of L. intracellularis in the feces. Seroconversion occurred in pigs that were exposed to L. intracellularis. From this study, it was demonstrated that transmission of L. intracellularis can occur easily in an environment with experimentally infected pigs and that PCR can be a useful tool to monitor fecal shedding of the organism.  相似文献