1. It is needed by the animal in order to keep its body at a relatively stable temperature. It keeps the body cool through the production and evaporation of sweat.
2. Adequate supply of acceptable quality water is crucial for high levels of production and absolutely paramount when animals are stressed.
3. Water also assists in transporting nutrients.
4. Water is necessary for digestion and absorption of feed, and aids in the hydrolysis of nutrients like carbohydrates, fats and proteins.
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Answer:
Water (center circle)
It's contribution to growth:
1. It is needed by the animal in order to keep its body at a relatively stable temperature. It keeps the body cool through the production and evaporation of sweat.
2. Adequate supply of acceptable quality water is crucial for high levels of production and absolutely paramount when animals are stressed.
3. Water also assists in transporting nutrients.
4. Water is necessary for digestion and absorption of feed, and aids in the hydrolysis of nutrients like carbohydrates, fats and proteins.