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| LIMA, J. T. M.; FONSECA, J. F. da; ESTEVES, L. V.; PENEIRAS, A. B. V.; LIMA, M. S. D.; BRANDÃO, F. Z.. |
| Abstract: The aim of this study was to determine the intervals between sponge removal and the onset of estrus, sponge removal and the first detected ovulation, and onset of estrus and the first ovulation, and also to determine the duration of estrus, in superovulated Santa Inês ewes subjected to natural mating (NM) and AI. The trial was done in July and February at Cachoeiras de Macacu?Rio de Janeiro (22°27'S, 43°39'W). Fifteen non-pregnant Santa Inês ewes, age 3.4 ± 1.4 years, weighing 47.8 ± 6.3 kg, with 3.3 ± 0.4 body condition score (scale of 1 to 5), were randomly assigned to 2 groups. Both groups were superovulated using the same protocol and were mated in a crossover design by NM and laparoscopic AI. Estrus was synchronized using intravaginal... |
| Tipo: Resumo em anais de congresso (ALICE) |
Palavras-chave: Raça Santa Inês; Ovino; Ovelha; Superovulação; Ovulação; Ciclo estral; Reprodução animal; Sheep; Ovulation; Reproduction; Superovulated females; Superovulation; Oestrus synchronization. |
| Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/handle/doc/966395 |
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| PENEIRAS, A. B. V.; MAYER, L. L.; FRENSEL, K. D.; ARAÚJO, A. C. de; LUCENA, R.; ESCUDINI, H.; ANDREWS, D.; FONSECA, J. F. da; CARDOSO, E. da C.; BRANDÃO, F. Z.. |
| [Return od cyclicity of Santa Ines lactating ewes to 105 days after birth continued suckling of lambs in warm and tropical climate]. |
| Tipo: Resumo em anais de congresso (ALICE) |
Palavras-chave: Raça Santa Inês; Escore corporal; Anestrous; Ovino; Ovelha; Reprodução animal; Ciclo estral; Peso; Progesterona; Goats; Animal reproduction; Progesterone; Oestrous cycle; Weight; Body condition. |
| Ano: 2015 |
URL: http://www.alice.cnptia.embrapa.br/handle/doc/1019718 |
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| OLIVARES, C. C. S.; SOUZA-FABJAN, J. M. G.; PENEIRAS, A. B. V.; BALARO, M. F. A.; FREITAS, V. J. F.; FONSECA, J. F. da; BRANDÃO, F. Z.. |
| Abstract: Sperm capacitation is an essential event for fertilization; however, it decreases the sperm lifespan and viability. The aim of this study was to evaluate the effects of four sperm selection techniques on sperm capacitation and viability after incubation. A pool of frozen-thawed sperm from 10 Santa Inês rams was used. The samples were submitted to one of the following sperm selection techniques: sperm washing, Percoll gradient, mini-Percoll gradient, Swim-up and control group. At mini-Percoll technique, was used 400 microliters of 90% and 45% gradients and a centrifugation at 500 xg for 5 minutes. In Percoll, was used 1 mL of each gradient and a centrifugation at 700 xg for 10 minutos. During Swim-up, the sperm was incubated in 1 ml of SPERM-TALP... |
| Tipo: Resumo em anais de congresso (ALICE) |
Palavras-chave: Longevidade espermática; Seleção espermática; Raça Santa Inês; Sperm longevity; Sperm selection; Ovino; Carneiro; Reprodução animal; Transferência de Embrião; Sêmen; Espermatozóide; Sheep; Reproduction; Embryo Technology; Rams. |
| Ano: 2015 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1074502 |
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