Bright Raven said:
Lucky_P said:
Without a full diagnostic workup, one is only just guessing - but even with all the parts/pieces/samples available, veterinary diagnosticians only come up with a definitive diagnosis in far less than half of cases - and success is even less if placenta and paired maternal serum samples are not available.
My best guess, at that stage of gestation, in our part of the world, would be Neospora; doubt that the hickory leaves had any association other than just coincidental timing.
I see folks suggesting, all the time, that other cows butting could cause abortion... but I doubt that it EVER happens. That fetus is well protected by hide, abdominal wall, uterine wall, and the fluid environment they're floating in. Hit by a fast-moving car or truck on the highway, maybe, but just another cow butting... nah.
Do you recommend blood testing the heifer for Neospora?
I'll second that recommendation.From someone who has had a run of it in the past.The positive thing you did(if it is Neosporia) was getting that calf out of the field and,hopefully,burying it. Animals such as dogs,coyotes,foxes etc feed on it and then pass it on to other cattle through the manure.It is not given from one cow to the next except in the case of a cow carrying a heifer calf to term and then the heifer retained for breeding.
The way we caught mine was having some" late calvers" preg checked and blood tested for Lepto.When the Lepto showed OK for the open ones,the vet suggested testing for Neospria since he'd seen a case in his brother's cattle.
Someday we'll have a cure or vaccine but for now the only cure in the stockyard.
I suspect more people have it than we know but some of them either don't keep up with the fact a certain cow hasn't raised a calf in several years or,if one comes up dry a end of calving season,she gets sold no matter why.