Quality of spermatozoal morphology in Angus yearling bulls may be related to hair whorl shape - hair whorls and bull fertility
In humans, abnormal hair whorl patterns on the scalp are found in children with developmental disorders such as Down's syndrome and Prader-Willi syndrome. Previous research has shown that hair whorl position on a bovine's forehead may be related to temperament. The objective of this study was to determine the relationship between spermatozoal morphology and facial hair whorl epicenter. Breeding Soundness Evaluations (BSE) were given to 150 Angus yearling bulls (avg. age = 364 ± 1.4 days of age) from 3 different locations. Animals had 1 (n = 120), 2 (n = 12) whorls or no facial hair whorl (n = ...
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