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Female fertility in a Guzerat dairy subpopulation: heterogeneity of variance components for calving intervals. Author(s): MARCONDES, C. R.; PEIXOTO, M. G. C. D.; VERNEQUE, R. da S. The objectives of the present study were to determine if variance components of calving intervals varied with age at calving and if considering calving intervals as a longitudinal trait would be a use... ... Repository: BDPA Publication year: 2012
Effects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats. Author(s): FONSECA, J. F. da The objective of this study was to evaluate the effect of hCG administration on plasma progesterone concentrations in lactating Alpine goats during the natural breeding season. After detection of estr... ... Repository: BDPA Publication year: 2006
Ressincronização superprecoce da ovulação: solução para concentrar a estação de monta e ampliar o uso da inseminação artificial em vacas de corte. Author(s): MACHADO, R.; PEREIRA, V. S. do A.; BERGAMASCHI, M. A. C. M. Resumo: Este Boletim de Pesquisa e Desenvolvimento apresenta a validação de uma técnica idealizada para aumentar o uso da inseminação artificial em vacas de corte e concentrar sua estação de reproduçã... ... Repository: BDPA Publication year: 2024
Prevalência de hidrometra em cabras leiteiras na região Sudeste do Brasil: resultados preliminares. Author(s): FERREIRA, M. I. C.; FACO, O.; FONSECA, J. F. da [Prevalence of hydrometra in dairy goats from Brazilian Southeast Region: preliminary results]. Repository: BDPA Publication year: 2015
Avaliação de protocolos hormonais de seis, nove e doze dias sobre o estro, ovulação e fertilidade de cabras da raça Toggenburg em anestro. Author(s): OLIVEIRA, A. P.; BRUSKI, J. H.; FONSECA, J. F. da O objetivo deste estudo foi avaliar as taxas de ovulação e gestação, após o uso de dispositivos intraginais de progesterona (CIDR) 6, 9 e 12 dias, em cabras em anestro. Os animais (n=51) utilizados, f... ... Repository: BDPA Publication year: 2008
Effect of biofertilizers and Verticillium lecanii (Zimm.) Viégas applied to Canavalia ensiformis L. (Fabaceae) on the bioecology of Brevipalpus phoenicis (Acari: Tenuipalpidae). Author(s): MAIA, A. de H. N. Two assays were conducted to evaluate the effect of biofertilizer suspensions applied to Canavalia ensiformis (L.) DC. plants on Brevipalpus phoenicis (Geijskes) bioecology. In the first assay (residu... ... Repository: BDPA Publication year: 2019
Identification of seminal parameters predictive of conception rates in Angus and Nelore bulls used in TAI. Author(s): NOGUEIRA, E.; SILVA, J. C. B. The ability to predict male fertility is highly desirable for bulls used in AI. Timed artificial insemination (TAI) represents a breakthrough in the use of AI in Brazil and other countries. Numerous c... ... Repository: BDPA Publication year: 2018
Life cycle of Agrotis malefida (Lepidoptera: Noctuidae): a diapausing cutworm. Author(s): SPECHT, A. This study describes the life cycle of Agrotis malefida Guenée, 1852 (Noctuidae: Noctuinae) under laboratory conditions. The insects were reared in a controlled environment (25 ± 1ºC, 70 ± 10% RH and... ... Repository: BDPA Publication year: 2013
Short, medium or long-term hormonal treatments for induction of synchronized estrus and ovulation in Saanen goats during the nonbreeding season. Author(s): FONSECA, J. F. da Abstract: The objective of this study was to compare the effect of hormonal treatment duration through the use of intravaginal sponges impregnated with 60 mg MAP for 6 (G6; n = 10), 9 (G9; n = 10) or... ... Repository: BDPA Publication year: 2013
Intraovarian injection of mesenchymal stem cells improves oocyte yield and in vitro embryo production in a bovine model of fertility loss. Author(s): SIQUEIRA, L. G. B.; DODE, M. A. N.; VIANA, J. H. M. Valuable female cattle are continuously subject to follicular puncture (ovum pick-up - OPU). This technique is commonly used for in-vitro embryo production, but may result in ovarian lesion. Mesenchym... ... Repository: BDPA Publication year: 2020

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