Posted by LAA on March 12, 2013 at 22:53:27 from (86.51.147.113):
In Reply to: Re: Calf Issues:Update posted by Super Steve on March 12, 2013 at 19:50:59:
Most all vaccination programs reccomend vaccinating twice per year, its cheap and effective, if you use killed viruses its safe for pregnant cows and the unborn calves also get the protection. I would definitely talk to a large animal vet or agricultural extension agent in your area and develop a program. To maintain effectiveness wormers need to be alternated, pour on one time and vaccinate the next time. I always worm the whole herd twice per year, at spring green up and again at fall sorting/weaning. In general, the cows need the wormer worse than the calves, the cows are the ones who eat the most and cost the most to maintain, keeping the cows in good condition makes you money and benefits the calf. Can't stress enough that 90% of the battle is the cow herself, problem calvers and cows that don't instictively mother and protect their calves should be culled and replaced and no heifers from those cows should be kept for replacements.
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