Female Small Ruminant Female Infertility and Abortions Flashcards
When should you perform a BSE on a female SR?
Pet or valuable
Several failed attempts at breeding
Pre-bred or dystocia
What is part of a normal BSE on female SR?
History - nutrition, vax, biosecurity, pasture assessment
Breeding Program Details - AI vs live cover, male selection
Estrous Cycle Patters - duration heat and interestrus intervals
Repro history- previous preg, dystocia and abortion
BCS
FAMACHA
Polled vs Horned Phenotype
External Genitalia - anogenital distance, clitoris size, vulvar conformation
Internal Genitalia: Vagina, cervicx, uterus, ovaries, lapai, Hormones
How can you evaluate the internal genitalia?
Ultrasound - rectal probe with nasogastric tube
Speculum
What are some non-infectious causes of infertility and abortion in female SR?
Toxic Plants
Pharmaceuticals
Stress
Nutrition/BCS/Deficencies
Persistant Cl
Hydrometra/Mucometra
Cystic Ovary
Neoplasia
Which toxic plant has teratogenic alkaloid and causes EED in first 10 days, Fetal abnormalities like cyclopia day 12-14 and hypoplasia of metacrapals D25-36?
Veratrum Californicum
What toxic plant causes abortions, small weak lambs and bent legs in newborns, with up to 75% ewes exposed and the toxin effects the fetal-placental unit?
Locoweed
What weed is an ecbolic toxin that causes aboriton and birth of small weak premature lambs GI upset, Hematuriaand death in arid regions of western US?
Broom Weed
What are some other teratogenic plants?
Lupinus, Conium, hemlock, tobacco, sorgum
May mistake for bunyvarius infections
Heart defect, cleft palate, GI atresia, neuro defect, neural tibe defect, congenital issues
What does ingestion of flixweed cause?
Goiters
Decreased hair
Higher birth weight
Thyroid hyperplasia in fetus
What toxic plant can you take a sample of fetal ocular fluid to ID the toxin?
Flixweed
What signs does ergot alkaloid cause? Where does this toxin come from?
Tall fescue with netyphodium coenopialum
Decreased repro efficiency, high temp, slough of tail, nose and ears - prolactin production affected, increase interval from intro ram to conception
Which plants are estrogen producing?
Clover and Alfalfa
What signs do animals have who consume estrogen producing plants?
Infertility, irregular/prolonged heat, vaginal prolapse, cystic glandular hyperplasia of cervix, cystic glandular hyperplasia, enlarged teat, inappropriate lactation
Which pharmaceuticals can cause abortion in SR?
Chlorpromazine, Phenylbutazone, Corticosteroid (late), Benzimidazole, albendazole, netobimin - given in first trimester - fetal abnormalities, levamisole in final months
Who is more likely to be affected by stress in late pregnancy and what can happen?
Goats
-Predator, weather change, shear and heat stress
Decrease repro, fetal waste, EED, abortion, still birth, decreased water intake, exercise intolerance
Prevent - shear, shade, good BCS, trace mineral and water