. Agri-news. Agriculture. Phone (403) 427-2121 : tfiVED LIBRARY ALBERTA AGRICULTURE MAIN FLOOR O'DONOGHUE BLDG. EDMONTON ^ _ (bldg) ( FEB 1 31992 c/»cocococ/»coco^*^CY February 17,1992 j s- 'L-TARlAT Cow nutrition affects colostrum quantity Colostrum is essential to the newborn calf, and the quality and quantity of that critical first milk depends on proper pre-calving nutrition for the cow. "Cows that are underfed prior to calving and are below a condition score of to (on a 5 point scale) won't be able to produce the quantity of colostrum required by the calf," says Bar
. Agri-news. Agriculture. Phone (403) 427-2121 : tfiVED LIBRARY ALBERTA AGRICULTURE MAIN FLOOR O'DONOGHUE BLDG. EDMONTON ^ _ (bldg) ( FEB 1 31992 c/»cocococ/»coco^*^CY February 17,1992 j s- 'L-TARlAT Cow nutrition affects colostrum quantity Colostrum is essential to the newborn calf, and the quality and quantity of that critical first milk depends on proper pre-calving nutrition for the cow. "Cows that are underfed prior to calving and are below a condition score of to (on a 5 point scale) won't be able to produce the quantity of colostrum required by the calf," says Barry Yaremcio, Alberta Agriculture ruminant nutritionist. "If cows are underfed before calving, they produce 60 per cent less colostrum than a well-fed cow. Proper pre-calving nutrition is essential to provide a strong healthy calf at birth and to develop the colostrum needed to provide the calf with immunity once it's ; Producers should note young cows, especially first calf heifers, are more susceptible to nutrient deficiencies than mature cows says Yaremcio. "Not only are these young cows developing a calf, but they must also maintain their own growth rates to reach mature body ; Cows in poor condition and cows that require assistance during calving are also more likely to provide inadequate amounts of colostrum for their calves. "Calves that are pulled or born to cows in poor condition will also take longer to stand and suckle. This is detrimental to calves because they need to consume about three to four litres of colostrum in the first 12 hours of their lives," he says. After that time, the large openings in the intestine close and the large colostrum proteins can't pass through intact. If the colostrum isn't passed intact, it won't provide immunity. Another problem associated with pulled calves is more stomach acid than is found in calves from unassisted births. Higher stomach acid levels will denature colostrum, rendering it less
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