| Summary: | For diary herding, milk production is one of the determining factors of effective actions. That is why it’s very important to get a high percentage of heifers into a processing of herd reproducing, which became possible after introduction of sexed seed – sperm, which cells are divided concerning the sex. Using of sexed seed allows us to repair the herd more quickly, and also to increase the realization volume of heifers by breed enterprises, which very good influence on their profitability. Provided of researching analyses showed us, that using the seed divided by sex into a large agricultural enterprise, the fertility rate is lower on 5-8%, than we will use the traditional seed, and female calves are much higher.
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