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calves developing rumens
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<blockquote data-quote="Anonymous" data-source="post: 10371"><p>That is a very interesting theory on the tail wagging, never heard that one before.</p><p></p><p>Passive transfer is the passing of coloostral immunoglobulins in calves and what is required to ensure a high level of colostral immunity in the calves(Health and Prod. Management of Dairy Calves and Replacement heifers). This occures within the fist 24-48 hours, there are many oppinions on this.</p><p></p><p>Development of Rumen Function:</p><p></p><p>At birth there are No Rumen microflora in the rumen of the calf. The rumen becomes inoculated with microflora from the environment, including the hair coat, feces and saliva of other animals, bedding and feeds consumed. When the calf eats dry feed, the abomasal groove does not function, and therefore the feed directly enters the reticulum and rumen where it must be digested or chewed further through rumination or cud chewing. Calves may begin to ruminate by 2 weeks of age depending on diet. If water is not provided to the calf in early life, then rumen microbia growth will be limited. Water that is consumed does not bypass the rumen through the esophageal groov but becomes available for the calf's rumen microflora. The development of the rumen and reticulum of the calf is highly dependant on the diet of the calf. ( Taken from: Herd Health: Food animal production medicine. Otto M. Radostits 3rd Edition).</p><p></p><p>No comments or opinions please, this is published data, not an idea or thought.</p><p></p><p> <a href="mailto:kemilimo@tca.net">kemilimo@tca.net</a></p></blockquote><p></p>
[QUOTE="Anonymous, post: 10371"] That is a very interesting theory on the tail wagging, never heard that one before. Passive transfer is the passing of coloostral immunoglobulins in calves and what is required to ensure a high level of colostral immunity in the calves(Health and Prod. Management of Dairy Calves and Replacement heifers). This occures within the fist 24-48 hours, there are many oppinions on this. Development of Rumen Function: At birth there are No Rumen microflora in the rumen of the calf. The rumen becomes inoculated with microflora from the environment, including the hair coat, feces and saliva of other animals, bedding and feeds consumed. When the calf eats dry feed, the abomasal groove does not function, and therefore the feed directly enters the reticulum and rumen where it must be digested or chewed further through rumination or cud chewing. Calves may begin to ruminate by 2 weeks of age depending on diet. If water is not provided to the calf in early life, then rumen microbia growth will be limited. Water that is consumed does not bypass the rumen through the esophageal groov but becomes available for the calf's rumen microflora. The development of the rumen and reticulum of the calf is highly dependant on the diet of the calf. ( Taken from: Herd Health: Food animal production medicine. Otto M. Radostits 3rd Edition). No comments or opinions please, this is published data, not an idea or thought. [email=kemilimo@tca.net]kemilimo@tca.net[/email] [/QUOTE]
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