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Vitamins and minerals in dairy cattle nutrition
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Do you know how much your cows are eating? If you say yes because the nutritionist has a printout with the number on it, you may not know. Actual on-farm monitoring is needed to determine if the projected is close to what is being consumed. To do this the total amount of feed offered minus the refusal needs to be measured. Next, the dry matter content of the total mixed ration needs to be determined. Dry matter can be determined by sending a sample of the feed to a lab or,...
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The transition from a dry cow to a milking cow is a particularly stressful time for dairy animals. It is important that the nutritional management during this time continues to be as good or better than during lactation. A variety of primary and secondary metabolic problems are common during the transition phase, such as ketosis and milk fever. Minerals and vitamins are essential nutrients. These components of the cow’s diet are not just necessary for meeting minimum requirements to...
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Benefits of Mitigating Heat Stress in Dairy Cows - Dr. Lance Baumgard, Iowa State University
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Health of the dairy cow has been the subject of intense research over the years. Several conditions, including pathogens and poor nutrition, invoke diverse mechanisms that facilitate poor growth and lower productivity, and when unrestrained might be implicated in the pathogenesis of diseases. The impairment of dairy cow immunity is one of the fundamental reasons why these diseases occur (Mehrzad et al., 2001; Burvenich et al., 2003; Paape et al., 2003) and disruption of normal...
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Mineral deficiencies and imbalances for herbivores are reported from almost all tropical regions of the world. Phosphorus (P) deficiency has been reported in 25 Latin American countries and deficiencies of calcium (Ca) in 11, sodium (Na) in 15, magnesium (Mg) in 14, cobalt (Co) in 13, copper (Cu) in 21, selenium (Se) in 17 and zinc (Zn) in 16 (McDowell, 1997). Iodine (I) deficiency is reported worldwide. For many classes of livestock, including pigs, poultry, feedlot cattle and dairy...
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AMINODat® 6.0 The most extensive web-based database for animal nutritionists
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Trace minerals exist in cells and tissues of the animal body in a variety of functional and chemical combinations and in characteristic concentrations that vary with the mineral and tissue (McDowell, 1992; Underwood and Suttle, 1999). The concentrations of trace minerals must usually be maintained within quite narrow limits if the functional and structural integrity of the tissue is to be maintained and the growth, health and productivity of the animal are to remain unimpaired (McDowell, 1992;...
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An eye on mineral status during grazing will help avoid longer-term deficiency problems.
Producers should keep a close eye on their herds not only at turn out – but throughout the grazing season, in a bid to prevent mineral deficiency and it’s associated health and fertility problems.
"The importance of providing the herd with certain minerals to prevent problems, such as grass staggers, at turnout is well documented," says Trouw Nutrition Ruminant Category Manager Dr. Helen Stebbens.
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Dairy agri-business professionals from Wisconsin, Illinois, Iowa and Minnesota are invited to attend the Four-State Dairy Nutrition and Management Conference June 15 and 16 at the Grand River Center in Dubuque, Iowa. This seminar, sponsored by Extension services in the four states, with support from many agricultural businesses, will offer current information on a variety of issues related to dairy cattle nutrition and management.
The conference will begin with a technical symposium on the...
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Dairy agri-business professionals from Wisconsin, Illinois, Iowa and Minnesota are invited to attend the Four-State Dairy Nutrition and Management Conference June 15-16 at the Grand River Center in Dubuque, Iowa. This seminar, sponsored by Extension services in the four states, with support from many agricultural businesses, will offer current information on a variety of issues related to dairy cattle nutrition and management.
The conference will begin with a technical symposium on the...
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Recommendations: 0