Grazing animal nutrition

Part 1 book "Animal nutrition - From theory to practice" includes content: Introduction to animal nutrition, digestion in the mono-gastric animal, digestion in the ruminant animal, feeding standards for animals, grazing animal nutrition.

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Early interest in selenium by nutritionists concerned its high concentration in certain range plants and the consequent toxicosis in animals that grazed those plants. More recently, the essential nature of selenium has become the center of attention, and this element is now known to be required by laboratory animals, food animals (including fish), and humans. Its role as an integral feature of glutathione peroxidase has been established, and other possible functions are under active investigation.

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Increasing farm productivity is generally a precondition to improving food security and income in rural areas. This can also relieve pressures to expand farming and grazing into ecologically fragile areas and reduce reliance on unsustainable resource extraction activities. Efforts to raise agricultural production – by improving crop yields, technology, and access to inputs and markets and fostering a shift towards higher value crops – are thus often seen as a means of simultaneously addressing growth, equity and environmental issues in rural areas....

45p tieuyeuquai456 05-10-2012 41 4   Download