Effect of Excess Vitamin D on Phosphorus Utilization in Dairy Cattle PDF Download

Author: Kathleen M. Dooley
Publisher:
ISBN:
Category :
Languages : en
Pages : 262

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Author: Yahsin Joan Cheng
Publisher:
ISBN:
Category :
Languages : en
Pages : 142

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The commercial treatment solution contains Ca and phosphite ions, which corrects hypocalcemia. However, the plasma P stays low and results in recumbency in some cows. Permanent damages on nerves and muscles are occurred after 24 hours recumbency. By intravenous administration of sodium phosphate and sodium phosphite solutions in hypophosphatemic cows, we demonstrated that plasma P concentration was increased by sodium phosphate rather than phosphite solution. Oral administration of sodium phosphate increased plasma P concentration in 30 minutes and the elevation was last for more than 12 hours. We concluded that sodium phosphate, either by oral or intravenous administration should be used for the treatment for hypophosphatmic cows.

Author: Dorinha M. S. S. Vitti
Publisher: CABI
ISBN: 1845936272
Category : Animal nutrition
Languages : en
Pages : 190

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Book Description
This book contains 10 chapters that discuss phosphorus and calcium metabolism, efficiency of utilization, availability, requirements and excretion in livestock and environmental impact.

Author: Ohio State University. Ohio Agricultural Research and Development Center
Publisher:
ISBN:
Category : Calcium in animal nutrition
Languages : en
Pages : 23

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Resultaten van een 9 jaar durend onderzoek

Author: Barbara A. Barton
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 314

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Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309064031
Category : Medical
Languages : en
Pages : 449

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Book Description
Since 1941, Recommended Dietary Allowances (RDAs) has been recognized as the most authoritative source of information on nutrient levels for healthy people. Since publication of the 10th edition in 1989, there has been rising awareness of the impact of nutrition on chronic disease. In light of new research findings and a growing public focus on nutrition and health, the expert panel responsible for formulation RDAs reviewed and expanded its approachâ€"the result: Dietary Reference Intakes. This new series of references greatly extends the scope and application of previous nutrient guidelines. For each nutrient the book presents what is known about how the nutrient functions in the human body, what the best method is to determine its requirements, which factors (caffeine or exercise, for example) may affect how it works, and how the nutrient may be related to chronic disease. The first volume of Dietary Reference Intakes includes calcium, phosphorus, magnesium, vitamin D, and fluoride. The second book in the series presents information about thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Based on analysis of nutrient metabolism in humans and data on intakes in the U.S. population, the committee recommends intakes for each age groupâ€"from the first days of life through childhood, sexual maturity, midlife, and the later years. Recommendations for pregnancy and lactation also are made, and the book identifies when intake of a nutrient may be too much. Representing a new paradigm for the nutrition community, Dietary Reference Intakes encompasses: Estimated Average Requirements (EARs). These are used to set Recommended Dietary Allowances. Recommended Dietary Allowances (RDAs). Intakes that meet the RDA are likely to meet the nutrient requirement of nearly all individuals in a life-stage and gender group. Adequate Intakes (AIs). These are used instead of RDAs when an EAR cannot be calculated. Both the RDA and the AI may be used as goals for individual intake. Tolerable Upper Intake Levels (ULs). Intakes below the UL are unlikely to pose risks of adverse health effects in healthy people. This new framework encompasses both essential nutrients and other food components thought to pay a role in health, such as dietary fiber. It incorporates functional endpoints and examines the relationship between dose and response in determining adequacy and the hazards of excess intake for each nutrient.

Author: Ian Robert Dohoo
Publisher:
ISBN: 9780919013735
Category : Veterinary epidemiology
Languages : en
Pages : 890

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Author: National Research Council
Publisher: National Academies
ISBN: 0309049970
Category : Technology & Engineering
Languages : en
Pages : 94

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Book Description
In the past decade, animal scientists have learned that administering recombinantly derived somatotropin (growth hormone) to cows improves milk production and that giving beta-adrenergic agonists to meat animals improves productivity and leanness. In order for these metabolic modifiers to yield benefits, however, sound management of the animals' nutrition is necessary. This volume reports on how these substances work in the animals' metabolism, what effects they might have on nutrient requirements of domestic livestock, and what information should be developed further by investigators. The book explores the current understanding of the biology, structure, mechanisms of action, and treatment effects of somatotropin, beta-adrenergic agonists, and anabolic steroids. A companion volume to the Nutrient Requirements of Domestic Animals series, this authoritative volume will be required reading for animal scientists, researchers, veterinarians, livestock farmers, and faculty and students in university animal veterinary science programs.

Author: Gita Cherian
Publisher:
ISBN:
Category : Biology
Languages : en
Pages :

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Author: Henning Steinfeld
Publisher: Food & Agriculture Org.
ISBN: 9789251055717
Category : Business & Economics
Languages : en
Pages : 418

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"The assessment builds on the work of the Livestock, Environment and Development (LEAD) Initiative"--Pref.