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bp0006rdr10 | Gametes and Fertilisation | REDR2006
Pregnancy rates in cattle with cryopreserved sexed spermatozoa: effects of laser intensity, staining conditions and catalase
The overall aim of this research was to improve fertility of cattle inseminated with sexed spermatozoa by improving sperm sorting procedures. Six field trials were conducted in which 4,264 heifers were inseminated into the uterine body with cryopreserved sexed or unsexed control spermatozoa. Pregnancy or calving rates with doses of 2 × 106 sexed spermatozoa ranged from 32 to 51%; these averaged 69% of the pregnancy rates with 20 × 106 un...
Bioscientifica Proceedings
ISSN 2515-0227 (online)
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