BOVINE Flashcards
How is the prognosis for bovine pulmonary emphysema and edema?
Poor
What should be the target for services per conception in a dairy herd?
Less than 1.5
What should be the target for average days open in a dairy herd?
Less than 100 days
WINTER DYSENTERY is an acute, highly contagious GI disorder that affects housed adult dairy cattle, primarily during winter. Clinical features include explosive diarrhea (sometimes accompanied by dysentery), a profound drop in milk production, variable anorexia and depression, and mild respiratory signs such as coughing. The disease has a high morbidity but low mortality, and spontaneous recovery within a few days is typical.
What is the name of the causative agent?
Bovine CORONOAVIRUS
_________ is an acute or chronic Fusobacterium necrophorum infection of the laryngeal mucosa and cartilage of young cattle, characterized by fever, cough, inspiratory dyspnea, and stridor. It occurs primarily in feedlot cattle 3–18 mo of age.
Necrotic laryngitis
Ingestion of what plant can cause hyperestrogenism in cattle which generally manifests as nymphomania and/or decreased fertility.
Red clover
[Does NOT cause abortions or teratogenesis]
Feeding SILAGE, septicemia (MICROABSCESSES) and signs of CIRCLING are associated with what?
And what is the drug of choice for treatment?
Can it cause abortion?
Is it zoonotic?
Listeriosis
Penicillin
Yes (zoonotic)
Yes (abortifacient)
How long is estrus in the cow?
21 days
How long is pregnancy in the cow?
280 days (about 9 months)
__________ is a weed that can cause 2 distinct forms of poisoning in livestock— a nervous syndrome caused by alkaloids and a mycotoxic disease characterized by liver injury and jaundice.
Lupine
Name the acronym for the 5 causes of early diarrhea in calves?
NAME THE FIVE CAUSES AND THE TIME FRAME THEY OCCUR, PLUS ANY SPECIAL NOTES
ERECC
E. coli (Colibacillosis) 1-4 days
Rotatvirus 4days-2 weeks (self limiting)
Enterotoxemia (clostridium perfringens type C) 2 weeks (healthiest/fastest growing calf, hemorrhagic diarrhea)
Coronavirus 4 days-1 month
Cryptosporidiosis 7 days-1month (tenesmus, emaciation)
GIVE THE ACRONYM FOR LATE DIARRHEA IN CALVES?
NAME TWO CAUSES OF LATE DIARRHEA IN CALVE AND THE TIMEFRAMES THEY OCCUR?
NC
NEONATAL SALMONELLA: 1-2 MONTHS
(FEVER, DIARRHEA, SEPTICEMIA, SUDDEN DEATH)
COCCIDIOSIS OLDER THAN 21 DAYS, AND ALL OTHER AGES, BLOODY DIARRHEA AND TENESMUS)
THIS DISEASE IS ASSOCIATED WITH NECROTIC PEYERS PATCHES.
RINDERPEST (ERADICATED IN 2010 & REPORTABLE!!)
WHAT IS THE ACRONYM FOR BOVINE ABORTION?
EXPLAIN WHAT THIS MEANS?
A-LIST, B-TRICK, C-LATE
A-LIST is for Arcano and Listeria which cause Any time abortion
B-TRICK is for BVD and Trichomonias which cause EARLY abortion
C is for the rest of the Crowd which cause later abortion
