Question

Swine breeds A, B, and C average 1.32, 1.45, and 1.49 lb per day for post...

Swine breeds A, B, and C average 1.32, 1.45, and 1.49 lb per day for post weaning average daily gain (ADG), respectively. Percent hybrid vigour for ADG is typically about 5%.

a. Rank the pure breeds, and two-breed crosses for ADG.

b. Did the crossbreeds always have the best ADG? What principle is illustrated here?

Homework Answers

Answer #1

There are three swine breeds which are A,B and C respectively. The post weaning average daily gain (ADG) of the three breeds are 1.32,1.45 and 1.49 respectively. Pure breeds of swine and cross breeds of swine differ from each other in the context of growth potential and growth performance.

A. Average daily gain (ADG) is the average gain in weight over a period of time. More the ADG, more is the weight gain of the swine. Cross breeds have less fat content than pure breeds. Therefore, it can be inferred that Breed A is cross breed whereas Breed B and C are most probably pure breeds.

B. Crossbreeds are breeded in such a way that they yield the best quality carcass and meat. They in general have the best growth performance. This is the reason crossbreeds have the best ADG.

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