1.3.3.3 Minerals & Vitamins
Feed additives are ingredients added to calf rations to enhance production efficiency, improve health, and/or reduce morbidity. A variety of additives can be safe and effective when used as indicated on label specifications.
This circular details nutrient requirements for backgrounding calves and gives information related to the nutrient content of feeds available in North Dakota.
This article discusses the need for producers to monitor the intake of mineral supplements.
This article discusses preliminary research results that indicate that year round mineral supplementation may not be necessary for beef cows.
This article discusses the role of trace minerals in beef cow diets.
This article discusses the impact of high Molybdenum, Sulfur and Iron levels in beef diets on the absorption of copper and zinc.
This is a collection of lectures on Selenium and Vitamin E in nutrtition.
Feed costs are the cow/calf producer's greatest expense in producing a weaned calf. This article discusses the management of the feeding program with details on protein, engery and mineral nutrition.
Essential trace elements are necessary for the well being of the animal. These are needed in sufficient quantities to promote health and to optimize production. All trace elements are toxic when fed in excessive quantities.
Factsheet - Macro-elements consists of calcium, phosphorus, magnesium, sulphur, potassium and salt (sodium chloride). Table 1 shows the average levels of several of these minerals in some common feedstuffs produced in BC. Table 4 give daily requirements.
Feed is the biggest single cost of maintaining the beef herd. You must meet the nutrient needs of the beef cow.
Copper, Zinc, Selenium minerals, and Vitamin E
According to the Beef Cattle NRC, there are at least 17 minerals considered essential for beef cattle.
Macro-elements minerals are essential for proper bodily functions. Problems may arise when the feeds do not supply enough to meet the animal's requirements. Mineral supplimentation is then required.
Vitamin E is a fat-soluble vitamin that is required for animal growth, helps to prevent muscular dystrophy in young calves. Supplemental vitamin E was required in all stored feed rations.
Minerals make up a small portion of an animal's diet; however, they play an important role in health, growth and reproduction. The National Research Council (NRC 1984, 1996) has established mineral requirements for beef cattle.
Phosphorus (P) is a macromineral that all animals require. Biologically, this mineral is involved in many metabolic, neurological and cellular functions.
Supplemental trace minerals have been shown to have positive effects on reproduction, immune status, disease resistance and feed intake of incoming feeder cattle.
Among the numerous management challenges that cattle producers face, one nutritional challenge is to satisfy the trace mineral requirements of the cow herd. As the genetic progress of the herd improves, mineral supplementation strategies become more...
Trace minerals are needed for vitamin synthesis, hormone production, enzyme activity, collagen formation, tissue synthesis, oxygen transport, energy production, and other physiological processes related to growth, reproduction and health.
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