Afood source that contains all the essential amino acids is called a(n):
complete protein
incomplete protein
fatty acid
whole grain

complete protein

Explanation:

Complete proteins are the sources of the food that contains essential amino acids which are necessary for the growth and metabolism of the organism. They should be available in appropriate amounts in the diet. They also called as whole proteins. They can be obtained from meat, eggs, whey proteins, grains and legumes.

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common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.