Hair whorl patterns on the bovine forehead may be related to breeding soundness measures

The objective of this study was to determine if there is an association between facial hair whorl patterns on the bovine forehead and sperm morphology. Breeding soundness exams were conducted on 219 yearling bulls at three Colorado State University facilities. There were 150 Angus bulls and the rema...

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Veröffentlicht in:	Theriogenology 2004-08, Vol.62 (3-4), p.450-457
Hauptverfasser:	Meola, Melissa G, Grandin, Temple, Burns, Patrick, Deesing, Mark
Format:	Artikel
Sprache:	eng
Schlagworte:	Angus Animals beef bulls body measurements breed differences Breeding - methods Breeding soundness Bulls Cattle culling (animals) early selection Face fetal development Hair - anatomy & histology Hair - growth & development Hair whorls hairs Male male fertility scrotum Scrotum - anatomy & histology sire evaluation Sperm morphology sperm motility spermatozoa Spermatozoa - abnormalities
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