Question

Milk traits, i.e. fat, protein, SNF, and etc), tend to have a heritability of about __________

(a) Less than 10%

(b) 20-30%

(c) 40-50%

(d) More than 50%

This question was posed to me during an online exam.

I'd like to ask this question from Cattle Health topic in section Cattle Health of Dairy Engineering

Answer 1

Correct answer is (b) 20-30%

For explanation I would say: Milk traits are heritable from one generation to another. The heritability in milk traits accounts to be 20-30%.