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| PAULA, C. J. C. de; SOUZA-FABJAN, J. M. G.; PINHEIRO, J. B. S.; GONÇALVES, J. D.; DIAS, J. H.; OLIVEIRA, M. E. F.; FONSECA, J. F. da. |
| This study assessed in dairy goats the effect of hormonal induction treatments varying only 12 h in progestogen device permanence on estrus synchrony and fertility. In both Experiments, goats received 60 mg of medroxyprogesterone acetate (MAP) intravaginal devices for 6 (G6) or 6.5 d (G6.5), and 200 IU of eCG i.m. and 30 ?g of d?cloprostenol were i.m. applied at 24 h or 36 h before device removal, respectively. In Experiment 1 (n = 24), data related to sexual behavior and ovarian ultrasonography were recorded and, in Experiment 2, (n = 83) fertility was assessed after Flexible Time Artificial Insemination (FxTAI). In conclusion, increasing the time of intravaginal device permanence from 6 to 6.5 d resulted in greater estrus synchrony, but lower fertility... |
| Tipo: Anais e Proceedings de eventos |
Palavras-chave: AI; Corpora Lutea; Follicular dynamics; Ultrasound; Dairy goats; Animal reproduction; Artificial insemination; Anestrus; Corpus luteum; Ultrasonography; Estrus synchronization. |
| Ano: 2020 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132673 |
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