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How important is Colostrum first 6 hours?
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<blockquote data-quote="regolith" data-source="post: 623474" data-attributes="member: 9267"><p>It's actually illegal to sell calves less than 4 days old in NZ - I guess it's not over there?</p><p>Two reasons I think - they're not considered fit for transport until navels are dry and they're supposed to not transition onto milk until four days - the buyer often doesn't have easy access to a supply of colostrum (I've never seen powdered colostrum for sale here, be a good thing to keep handy if it was available).</p><p></p><p>Srsly, if you want those calves find a farmer and get them direct, look at his other calves (no scours or navel ill, clean housing, been given colostrum). In Britain or NZ, out of courtesy most dairy farmers will give the buyer a supply of colostrum if they're selling (illegally of course) a calf under four days old.</p><p>Colostrum is a good food product at 1 - 4 days. But the antibody effect is only effective for the first day. They've done the inadequate/adequate assessments over here and I think less than half of all dairy calves achieve protective levels considered adequate. I don't think my farm is any different, but I've raised 100% the last three years (28, 39, 47 from birth to weaning). I'd have to say though that rearing calves born on farm was a whole different (blissful!) experience compared to rearing bought-in calves the previous two years. I'm not too sure why.</p></blockquote><p></p>
[QUOTE="regolith, post: 623474, member: 9267"] It's actually illegal to sell calves less than 4 days old in NZ - I guess it's not over there? Two reasons I think - they're not considered fit for transport until navels are dry and they're supposed to not transition onto milk until four days - the buyer often doesn't have easy access to a supply of colostrum (I've never seen powdered colostrum for sale here, be a good thing to keep handy if it was available). Srsly, if you want those calves find a farmer and get them direct, look at his other calves (no scours or navel ill, clean housing, been given colostrum). In Britain or NZ, out of courtesy most dairy farmers will give the buyer a supply of colostrum if they're selling (illegally of course) a calf under four days old. Colostrum is a good food product at 1 - 4 days. But the antibody effect is only effective for the first day. They've done the inadequate/adequate assessments over here and I think less than half of all dairy calves achieve protective levels considered adequate. I don't think my farm is any different, but I've raised 100% the last three years (28, 39, 47 from birth to weaning). I'd have to say though that rearing calves born on farm was a whole different (blissful!) experience compared to rearing bought-in calves the previous two years. I'm not too sure why. [/QUOTE]
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