A frameshift mutation in ARMC3 is associated with a tail stump sperm defect in Swedish Red (Bos taurus) cattle

Table 1 Sperm morphology in fresh ejaculates of three affected AI bulls

Phenotype		Bull 1	Bull 2	Bull 3
Tail morphology	Normal tails	0 %	0 %	0 %
	Absent tails	2 %	3 %	4 %
	Rudimentary tails	45 %	63 %	28 %
	Short straight tails	27 %	15 %	29 %
	Folded or coiled short tails	26 %	19 %	39 %
Head morphology	Normal heads	42 %	53 %	38 %
Head morphology	Abnormal heads	58 %	47 %	62 %

ISSN: 2730-6844