Colostrum
Cold weather affecting spring-born calves
The recent below-normal temperatures in eastern North Dakota could have negative impacts on this spring's calf crop into the fall weaning season.
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Colostrum supplements and replacers
Research indicates that the ability of colostrum to provide passive immunity to the calf is often limited by low concentration of colostral immunoglobulins, insufficient methods of feeding colostrum, and limited absorption of immunoglobulins in the calf.
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Colostrum supplements and replacers: What is the difference?
Research indicates that passive immunity is often inadequate due to low concentration of colostral immunoglobulins, insufficient methods of feeding colostrum, and low absorption of immunoglobulins by the calf.
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The “colostrum” conversation
It is common knowledge that colostrum or ‘first’ milk produced by dams in the first few days postpartum is critical to the health and vitality of newborn calves.
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Most passive immunity occurs in the first 6 hours
Resistance to disease is greatly dependent on antibodies or immunoglobulins and can be either active or passive in origin.
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Calf morbidity and mortality
Beef calf morbidity and mortality is a multifactorial issue, Kansas State University’s Mike Sanderson, DVM, Dipl. ACT, Dipl. ACVPM, told more than 100 veterinarians, producers and students at last week’s 2013 Cow-Calf at Kansas State University.
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Determining the amount of colostrum needed for a newborn calf
Calves born after a difficult birth are at a high risk of failing to receive adequate colostrum by natural suckling because of greatly decreased colostrum intake.
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Storing natural colostrum for optimum passive immunity
A previous article about commercially available colostrum substitutes has spawned questions about natural colostrum from a cow that lost a calf or from a dairy cow.
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Did that calf get enough good quality colostrum?
Whether raising, buying or selling calves, producers should be concerned about the calf’s immune status, by knowing if they’re getting enough good quality colostrum.
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When should we give colostrum and what should we use?
When everything goes according to plan, a newborn calf will get up and drink his full dose of colostrum from his mother. But what if that doesn’t happen?
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Colostrum Part 2: When to feed and what to use
Our previous article described the factors that affect a newborn calf’s ability to gain the benefits of colostrum. When everything goes according to plan, that calf will get up and drink his full dose of colostrum from his mother. But what if that doesn’t happen? When should we intervene and feed the calf colostrum ourselves?
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