1887

oa Farming in South Africa - Keep the best cockerels for breeding purposes

 

Abstract

A breeding practice based on the principles of inheritance of egg-production is the most desirable way of developing a flock of profitable layers. In breeding we always find variation, which makes selection necessary and improvement possible.

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/content/farmsa/8/86/AJA00148490_1738
1933-05-01
2016-12-06
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