6
Phenotypic characterization of the Cattle populations of India in to different breeds can be done to a large extent by using the following most important biometric traits, which includes
(A) . Height and Chest Girth
(B) . Body length
(C) . Horn shape
(D) . Skin colour
Choose the correct answer from the options given below:
EXPLANATION
Domestication, Evolution & Indian Breeds of L
- Biometric Characterization of Cattle: According to ICAR-NBAGR (National Bureau of Animal Genetic Resources) guidelines for phenotypic characterization:
- Primary Quantitative Biometric Traits: Linear body measurements—specifically Height at withers, Chest / Heart Girth, and Body length—are the most reliable, objective morphometric parameters for estimating body weight, conformation, and breed standards.
- Qualitative Traits: Horn shape and skin colour are secondary qualitative descriptive traits that exhibit variable environmental and individual expressivity. Thus, (A) and (B) constitute the essential biometric measurements.
Correct option: (2) (A) and (B) only.
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