Date: 3rd July, 2026
High quality, high performance products
Through our close partnerships with industry providers at the forefront of innovation in sexed semen technology, most of our bulls offer the leading sexed 4M Ultraplus and 4M Ultraplus HighPurity™ products, delivering:
- 4 million sperm cells per straw
- A 14% higher conception rate than original gender-sorted technology
96–97% gender accuracy, selecting for female dairy calves
Together, we give our customers the confidence to invest in genetics that deliver proven quality, exceptional accuracy, and stronger performance where it matters most — in their herd and their bottom line.
Our sire portfolio can be found here All Sires - Ayrshire Cattle Services
