List at least four factors that may affect the nutritional requirements of animals. this here is from AG SCIENCE.

No allowance is given in requirement tables for stress, disease, parasites, temperature, feed additives, breed, genetic potential, etc. The nutrient requirements can be damaged down into 4 major components: Maintenance, Lactation, Growth, and Reproduction.

Explanation:

answer; /// i believe the answer is (phenylketonuria);