Question

(a) Explain how to overcome inbreeding depression in cattle

(b) List three advantages of inbreeding in cattle

(c) Name an improved breed of cattle.

Answer 1

(a) Allowing the mating of selected animals of breeding population with unrelatedly superior animals of the same breed helps to overcome the inbreeding depression in Cattle. This also helps to restore the fertility and yield.

(b) Advantages of Inbreeding in Cattle:

(i) It helps in evolving a pureline in any animal.

(ii) It exposes the harmful recessive genes that are eliminated by selection.

(iii) It helps in the accumulation of superior genes.

(c) Hisardale is an improved breed of sheep developed by crossing Bikaneri ewes and Marino rams.