Estrus Profile
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Reproductive responses and productive characteristics in ewes supplemented with detoxified castor meal for a long period
The objective of the present study was to evaluate the effects of supplementation with detoxified castor meal (DCM) in the diet of ewes during pregnancy, partum, and post-partum on the weight development of their offspring and at slaughter. The study included 56 ewes with synchronized estrus that were naturally mated. At the beginning of pregnancy and in pos
R. Bras. Zootec.. Publicado em: 2014-08
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2. Produção, composição do leite e desempenho reprodutivo de ovelhas Santa Inês alimentadas com rações contendo óleo de canola ou linhaça / Milk yield, milk composition and reproductive performance of Santa Inês ewes fed diets containing canola or linseed oil
The objective in this study was to evaluate the effect of the addition of canola oil (CO) or linseed oil (LO) on milk production and composition and reproductive performance of Santa Inês ewes. In the experiment I, 33 Santa Inês ewes were fed diets containing 50% of roughage (Cynodon dactylon hay). Experimental diets included a control (no oil) and two rem
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/04/2012
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3. Long-term melatonin treatment reduces ovarian mass and enhances tissue antioxidant defenses during ovulation in the rat
Melatonin regulates the reproductive cycle, energy metabolism and may also act as a potential antioxidant indoleamine. The present study was undertaken to investigate whether long-term melatonin treatment can induce reproductive alterations and if it can protect ovarian tissue against lipid peroxidation during ovulation. Twenty-four adult female Wistar rats,
Braz J Med Biol Res. Publicado em: 2011-03
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4. Baixa produtividade em fêmeas suínas relacionada a perdas corporais na lactação / Low productivity of sows related to body weight loss during lactation
The aim of this work was to relate low productivity to lactational weight loss, identifying the profile of females with more risk, study in details this cohort of sows and evaluate possible alternatives to minimize the effects of catabolism. The first trial evaluated females of different parity order (PO) and weight loss during lactation. There was interacti
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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5. Aspectos morfofuncionais da prostata feminina do gerbilo durante o cilco estral : estudos estruturais e caracterização do perfil secretor / Morphofunctional aspects of the gerbil female prostate during the estrous cycle : structural analysis and characterization on the secretory profile
The prostate is not an exclusive organ of the male reproduction system, found in females of several rodents species and also in humans. The female prostate has been considered homologue to the male ventral prostate and it is formed by a small cluster of glands and ducts inserted into a fiber muscular stroma. In adult female Mongolian gerbils (Meriones unguic
Publicado em: 2009
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6. Perfil analítico de estrógenos e progestinas em diferentes matrizes biológicas na espécie ovina (Ovis aires) / Analytic profile of estrogens and progestins in different biological matrixes in the ovine (Ovis aires)
The aim of the present work was evaluate the hormonal profiles of progestins and estrogens in blood, feces, urine and saliva during the induced estral cycle in ovine. Samples were collected daily a 60-day period from eight adult (n=8) cycling ewes. The animals were previously submitted to a protocol of estrus induction and synchronization for twelve days. In
Publicado em: 2007
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7. Sensibilidade e especificidade do perfil estral para o diagnóstico de ovulação em fêmeas suínas / Sensitivity and specificity of estrus profile for ovulation diagnosis in female swine
fêmea suína é poliéstrica anual, tem a duração aproximada de 21 d (dias), com variação entre 17-25 d. O processo de recrutamento da população de folículos ovulatórios inicia-se com o declínio nas concentrações plasmáticas de progesterona que caracterizam o final da fase luteal do ciclo estral, embora o sinal endócrino específico para este r
Publicado em: 2005
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8. Reproductive efficiency with intra-cervical and post-cervical artificial insemination in female swine associated with spermatozoa concentration and estrus profile / Eficiência reprodutiva com inseminação artificial intra-cervical e pós-cervical, em fêmeas suínas, associada à concentração espermática e perfil estral
A inseminação artificial (IA) é uma biotécnica reprodutiva que vem sendo intensamente utilizada na suinocultura, em função dos benefícios genéticos e sanitários, permitindo que as agroindústrias coloquem no mercado produtos saudáveis e de qualidade. A técnica de IA pós-cervical (IAPC) possibilita a deposição do sêmen no corpo do útero, utili
Publicado em: 2005
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9. Influencia do sexo e das fases do ciclo estral sobre a reação de estresse em ratos
We studied the influence of sex and estrous cyc1e on the response of rats to swimming stress, at 30°C. The sensitivity to cathecolamines of isolated right atria and corticosterone plasma levels on male rats and female rats at estrus or diestrus were analysed after one swimming session of 5, 15, 30 or 50 min (single stress) or after three sessions of 5, 15 a
Publicado em: 1995
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10. Galanin: a hypothalamic-hypophysiotropic hormone modulating reproductive functions.
Galanin (GAL) is widely distributed in the peripheral and the central nervous systems. In the brain, the highest GAL concentrations are observed within the hypothalamus and, particularly, in nerve terminals of the median eminence. This location, as well as GAL actions on prolactin, growth hormone, luteinizing hormone (LH), and LH-releasing hormone (LHRH) sec