Search PubMed⌕ Search

Biomedical subjects

D Miksch

Publications and source records attributed to D Miksch.

4 recordsLinked to original sources
PubMed1984

Preconditioning programs for feeder cattle.

Over two-thirds of American feeder cattle originate in herds of less than 50 cows, and over 40% are finished in fewer than 200 feedlots . Preconditioning programs first originated in the late 1960's but did not become popular for another 10 years. A dozen states now have fairly uniform programs, with requirements involving certificates and ear tags, prior ownership, preweaning, dehorning, castration, grub/lice treatment, deworming and various vaccinations. Preconditioning programs have been criticized as not cost-effective, but proponents cite superior postweaning weight gains, enhanced sales, improved management, more uniform calves, and decreased morbidity and mortality.

Animal Husbandry↗
PubMed1980

Sarcocystosis in cattle in Kentucky.

Sarcocystosis was diagnosed in 41 eighteen-month-old heifers and steers. Clinical signs included anorexia, severe weight loss, nervousness, hypersalivation, lameness, and hair loss on the extremities. Hair loss was noticed especially at the end of the tail, where there was complete loss of the switch, giving the animals a "rat-tail" appearance. Consistent gross changes observed at necropsy of four affected animals included generalized lymphadenopathy, erosions and ulcerations in the oral cavity and esophagus, and severe laminitis. Microscopically, young cysts of Sarcocystis sp were disseminated in the heart, skeletal muscle, and brain. Ultrastructural examination indicated that the cysts were young because they contained metrocytes. Affected animals had moderate to severe nonsuppurative myocarditis and myositis, with focal degeneration of myofibers and infiltration by macrophages, lymphocytes, and plasma cells. Indirect hemagglutination of sera from 19 animals revealed a mean antibody titer of 1:24,000 against Sarcocystis bovicanis antigen. Epidemiologic investigation incriminated resident farm dogs that had been housed in a farm hayloft as the source of infection. Hay contaminated with sporocysts in dog feces was thought to have been fed to the heifers and steers.

Animals↗