Essentials of Animal Breeding.. 



29 



fact graphically. Suppose there is no inbreeding in a four-genera- 

 tion pedigree, the chance that one of the animals in the fourth gen- 

 eration will dominate the pedigree above all others is very small 

 indeed., The chart thus shows graphically the relative importance 



Grading Up With Sheep. 



FIG. 20. The ewe at the left is a Mississippi Piney-Woods native. The lamb is her 

 produce by a purebred Shropshire buck. At four months of age the lamb outweighed 

 not only her mother but any other ewe in the flock. Note the absence of wool on 

 the belly of the ewe and the good, thick, uniform fleece of the lamb. 



of the respective ancestors for four generations. Each figure in the 

 chart is just half the size of the one in the generation preceding, and 

 this conforms fairly well to the standard formula of inheritance. 



