Flashcards in bovine abortion Deck (12):
Early embryonic death
260=viable, or sitllborn
more common in dairy cattle. energy requirements.
dairy v. beef
dairy- non infectious- chromosomal abnormalities, drugs, nutrient deficiency, toxic plants, heat stress. beef cattle- infectious
vx good. respiratory, abortion, repro disorders, neonatal septicemia. autolyzed abortions, pathognomonic sign is focal necrosis on liver, intranuclear inclusion bodies. serology. give modified live vx if not pregnant. kill vx okay in pregnant.
gi mucosal diease. repro, congenital dz, mummified abortions, cytopathic infections deadly. ear notch test.
urine or abortion products. invades mucus membranes. serovards-interrogans, borgpetersenii, kirschneri. silver staining, fat in urine. vx.
maitenance chronic lepto serovars
endemic infection, persistent infection, asymptomatic, high susceptibility
incidental acute lepto serovar
high dose for infection, acute, leptosiuria. chronic more common for infertility and abortion
campylobacter. endometritis. extended estrus.
tritrichomonas, neospora, sarcocystis, toxoplasma. pyometra. neospora-major abortions in dairy cattle. tramsit to fetus.
thickened, leathery cotyledon