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2n Gamete formation in the genus Brachiaria (Poaceae: Paniceae). Microsporogenesis of several Brachiaria species of the Brazilian collection at Embrapa Beef Cattle has been analyzed in detail. This paper reports abnormal cytokinesis in three accessions of three dif... ... Repository: BDPA Publication year: 2007
Maternal contributions to pregnancy success: from gamete quality to uterine environment. Author(s): SIQUEIRA, L. G. B. The establishment and maintenance of a pregnancy that goes to term is sine qua non for the long-term sustainability of dairy and beef cattle operations. The oocyte plays a critical role in providing t... ... Repository: BDPA Publication year: 2023
Effect of dietary carotenoids on reproducers of Amazon River prawn Macrobrachium amazonicum. Part 1: metabolism,morphometric / zootechnical indexes, body composition and gametes. Author(s): DAMASCENO, L. F.; LIMA, J. de F. The inclusion of natural extracts and solution of synthetic astaxan thin in the Macrobrachium amazonicum diet w ere tested to verify their effect on performance, body indexes and total accumulation of... ... Repository: BDPA Publication year: 2021
Effect of estradiol cypionate on estrus expression and pregnancy in timed artificially inseminated beef cows. Author(s): PFEIFER, L. F. M. The objectives of this study were to de-termine whether EC will induce estrus in ovariectomized cows, and todetermine the effect of EC on expression of estrus and P/AI in ovary-intact cows subjected t... ... Repository: BDPA Publication year: 2020
Parent-of-origin effects for the number of oocytes and embryos in Gir cattle. Author(s): SILVA, M. V. G. B.; MARTINS, M. F.; MACHADO, M. A.; PANETTO, J. C. do C. Imprinting is a phenomenon that alters the expression of genes according to the parental origin of their alleles. A quantitative form to evaluate the imprinting effect is known as parent-of-origin eff... ... Repository: BDPA Publication year: 2024
Quantitative genetics applied to improvement of alfalfa. Author(s): FERREIRA, R. de P.; PEREIRA, A. V. One barrier that prevents alfala expansion in Brazil is the lack of cultivars adapted to tropical conditions. Repository: BDPA Publication year: 2024
Pronounced segregation of donor mitochondria introduced by bovine Ooplasmic tranfer to the female germ-line. Author(s): MÉO, S. C. Ooplasmic transfer (01) has been used in basic mouse research for studying lhe segregation of mtDNA, as well as in human assisted reproduction for improving embryo development in cases of persistent d... ... Repository: BDPA Publication year: 2010
Microsporogenesis in Paspalum conspersum Schrad. (Virgata group) with different ploidy levels. Author(s): SOUZA, F. H. D. de; VALLS, J. F. M. Repository: BDPA Publication year: 2013
Different protocols using PGF2a as ovulation inducer in Nelore cows subjected to estradiol-progesterone timed AI based protocols. Author(s): PFEIFER, L. F. M.; NOGUEIRA, E. The objective of this study was to evaluate the effect of a PGF2α-analogue (PGF) on ovulation and pregnancy rates after timed artificial insemination (TAI) in cattle. In Experiment 1 cows receive... ... Repository: BDPA Publication year: 2018
Ultrasound diagnosis and macroscopic post-mortem evaluation of hydrosalpinx in dairy goats: a case report. Author(s): FACO, O.; FONSECA, J. F. da The oviduct plays a key role in the reproduction providing an ideal environment for the oocyte maturation, sperm capacitation, fertilization, and gamete and embryo transport. Hydrosalpinx is a patholo... ... Repository: BDPA Publication year: 2016

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