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The beef cow-calf manual

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This 4th edition of the Beef Cow-Calf Manual has been revised and expanded from 1989 edition to keep pace with recent information and technological advances. This manual sets out the basic... More ≫

Description

This 4th edition of the Beef Cow-Calf Manual has been revised and expanded from 1989 edition to keep pace with recent information and technological advances. This manual sets out the basic principles of beef management.

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Water analysis interpretation for livestock

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Water consists of two simple compounds: two hydrogen atoms and one oxygen atom bonded together (H2O). It is the most essential nutrient needed to sustain life. In most animals, water accounts for... More ≫

Description

Water consists of two simple compounds: two hydrogen atoms and one oxygen atom bonded together (H2O). It is the most essential nutrient needed to sustain life. In most animals, water accounts for 50 to 70 per cent of body weight. Water contains many different elements and compounds besides hydrogen and oxygen. These elements exist in water in a variety of forms, entering and leaving the water depending on the surrounding environment. For example, the mineral composition of ground water is affected by the rock or soil type the water passes through or the amount of time it spends in an aquifer. Surface water can be affected by many of the same factors as ground water. In addition, surface water is influenced by airborne and soil pollutants, decaying organic matter and the removal of minerals by vegetative growth.

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Water requirements for livestock

Description

Water is the main constituent of the animal’s body, constituting 50 to 80 percent of the liveweight, depending on age and degree of fatness. An animal can lose almost all of its fat and about 50... More ≫

Description

Water is the main constituent of the animal’s body, constituting 50 to 80 percent of the liveweight, depending on age and degree of fatness. An animal can lose almost all of its fat and about 50 per cent of its body protein and survive. However, the loss of 10 per cent of its body water can be fatal. Therefore, a successful livestock enterprise requires a good water supply. A good water supply is defined both in terms of quantity and quality of the water. A good water supply is important to the livestock manager because total water intakes are positively related to feed dry matter (DM) intakes.

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