Bovine fetal response to Anaplasma marginale
Trueblood, M.S.; Swift, B.L.; Bear, P.D.
American Journal of Veterinary Research 32(7): 1089-1090
1971
ISSN/ISBN: 0002-9645 PMID: 5089193 Document Number: 36544
Blood containing 70% r.b.c. infected with A. marginale was inoculated into a 100-day-old bovine foetus in utero. At 41 days after inoculation, the foetus was removed from the cow by caesarean section. The foetal serum reacted positively (4+) to the c.f. test. Giemsa-stained smears of foetal blood revealed r.b.c. containing anaplasma bodies. A susceptible calf inoculated with blood recovered from the foetus developed signs of anaplasmosis.
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