Efficiency of fixed-time artificial insemination using a progesterone device combined with GnRH or estradiol benzoate in Nellore heifers
<span>he use of estrogens in artificial insemination protocols for cattle is the least expensive and most efficient method currently available. However, the trend to prohibit the use of estrogens for this purpose has made it necessary to find alternatives that replace estrogens without comprom...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Instituto de Zootecnia
2015-10-01
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| Series: | Boletim de Indústria Animal |
| Subjects: | |
| Online Access: | http://revistas.bvs-vet.org.br/bia/article/view/27720 |