bovine abortion Flashcards Preview

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Flashcards in bovine abortion Deck (12):
1

Early embryonic death

260=viable, or sitllborn

2

eed

more common in dairy cattle. energy requirements.

3

dairy v. beef

dairy- non infectious- chromosomal abnormalities, drugs, nutrient deficiency, toxic plants, heat stress. beef cattle- infectious

4

IBR/BHV1

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.

5

BVD

gi mucosal diease. repro, congenital dz, mummified abortions, cytopathic infections deadly. ear notch test.

6

lepto

urine or abortion products. invades mucus membranes. serovards-interrogans, borgpetersenii, kirschneri. silver staining, fat in urine. vx.

7

maitenance chronic lepto serovars

endemic infection, persistent infection, asymptomatic, high susceptibility

8

incidental acute lepto serovar

high dose for infection, acute, leptosiuria. chronic more common for infertility and abortion

9

vibriosis

campylobacter. endometritis. extended estrus.

10

protozoal infections

tritrichomonas, neospora, sarcocystis, toxoplasma. pyometra. neospora-major abortions in dairy cattle. tramsit to fetus.

11

mycotic abortions

thickened, leathery cotyledon

12

toxic plants

ponderosa pine needles- estrogenic compounds that cause abortions. common in 3rd trimester. locoweed- alkaloid increased pgf2a secretion, affects CL, chrioallantois, neurons. broomweed/snakeweed- saponin. abortion, premature. moldy sweet clover- fetal hemorrhage.