ANN-0031
QUESTION
Quality of protein is not important in the following species?
OPTIONS
(A) Cattle
(B) Pig
(C) Poultry
(D) Duck
ANSWER
(A) Cattle
EXPLANATION
Cattle are ruminants, so the quality of dietary protein is relatively less important because rumen microorganisms degrade dietary protein and synthesize microbial protein, which provides essential amino acids to the animal after digestion in the small intestine. In contrast, pigs, poultry, and ducks are monogastric animals and cannot depend on rumen microbial protein synthesis; therefore, the quality, digestibility, and amino-acid balance of dietary protein are important for them.