Influence of the age of first insemination and first calving in Holstein – Friesian heifers on farm economic efficiency
Abstract. The present study aims to assess the influence of the age of first insemination and first calving in Holstein-Friesian heifers on the cost of breeding and the cost of their marketing as breeding animals. For this purpose, a study was conducted on 7 farms (A, B, C, D, E, F, G) situated in C...
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| Format: | Article |
| Language: | English |
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Trakia University. Faculty of Agriculture, Stara Zagora
2020-12-01
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| Series: | Agricultural Science and Technology |
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| Online Access: | https://agriscitech.eu/influence-of-the-age-of-first-insemination-and-first-calving-in-holstein-friesian-heifers-on-farm-economic-efficiency/ |