Search Results - "De Medeiros, Sergio Raposo"
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Pigeon Pea Intercropped with Tropical Pasture as a Mitigation Strategy for Enteric Methane Emissions of Nellore Steers
Published in Animals (Basel) (12-04-2023)“…In this study, we evaluate the effects of intercropping pigeon pea ( (L.) Millsp.) with tropical pastures for feeding Nellore cattle and compared animal…”
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Ruminal and feces metabolites associated with feed efficiency, water intake and methane emission in Nelore bulls
Published in Scientific reports (21-10-2023)“…The objectives of this study were twofold: (1) to identify potential differences in the ruminal and fecal metabolite profiles of Nelore bulls under different…”
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Agronomic, nutritive value, reproductive, cytogenetic, and molecular aspects of Paspalum accessions: Contribution to the development of new forage cultivars
Published in Grass and forage science (01-03-2023)“…This study investigated the agronomic, nutritive value, cytogenetic, molecular, and reproductive aspects of twenty‐five Paspalum accessions to support breeding…”
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Parametrization of the Davis Growth Model using data of crossbred Zebu cattle
Published in Scientia agricola (01-02-2017)“…The system of differential equations proposed by Oltjen et al. [1986, named Davis Growth Model (DGM)] to represent cattle growth has been parameterized with…”
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Association of polymorphisms in the leptin and thyroglobulin genes with meat quality and carcass traits in beef cattle
Published in Revista brasileira de zootecnia (01-10-2012)“…The objective of the present study was to estimate the allelic and genotypic frequencies of the polymorphisms E2FB (AY138588.1: c.305C> T), located in the…”
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Rumen and fecal microbiomes are related to diet and production traits in Bos indicus beef cattle
Published in Frontiers in microbiology (2023)“…Ruminants harbor a complex microbial community within their gastrointestinal tract, which plays major roles in their health and physiology. Brazil is one of…”
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Perception of consultants, feedlot owners, and packers regarding the optimal economic slaughter endpoint in feedlots: a national survey in Brazil (Part I)
Published in Canadian journal of animal science (01-12-2020)“…Little information exists regarding the optimal economic slaughter endpoint (OSE) for feedlot-finished cattle in Brazil. This study investigated the…”
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Perception of consultants, feedlot owners, and packers regarding management and marketing decisions on feedlots: a national survey in Brazil (Part II)
Published in Canadian journal of animal science (01-12-2020)“…Research interviews with agribusiness professionals are carried out in several countries for updating and developing technologies. This study aimed to…”
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Feed efficiency and meat quality of crossbred beef heifers classified according to residual feed intake
Published in Revista brasileira de saúde e produção animal (01-09-2015)“…AbstractThis study aimed to evaluate feed efficiency and meat quality of 31 three-crossbred beef heifers during 84 days in a feedlot system. A 60:40…”
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Intake, grazing time and performance of steers supplemented in Brachiaria decumbens pastures during the dry season
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-09-2014)“…The objective of this study was to evaluate the supplementation with mineral salt (SALT), proteic and mineral salt (PMS) and energetic-proteic supplement…”
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Consumption, productivity and cost: Three dimensions of water and their relationship with the supply of artificial shading for beef cattle in feedlots
Published in Journal of cleaner production (20-11-2022)“…It is important to understand the relationship between beef cattle water performance and animal welfare. However, to date, there is no knowledge of studies…”
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Counting cattle in UAV images using convolutional neural network
Published in Remote sensing applications (01-01-2023)“…Determining the number of cattle in countries with the most extensive livestock and large pastures is difficult requires a lot of time of the farm workforce…”
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Three environmental dimensions of beef cattle in tropical feedlot: Water, nutrients and land
Published in The Science of the total environment (15-12-2023)“…This study aims to evaluate water, land, and nutrient efficiencies in a tropical beef feedlot system by providing artificial shading and considering local…”
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Estimating forage intake of lactating dual-purpose cows using chromium oxide and N-alkanes as external markers
Published in Scientia agricola (2007)“…The n-alkanes have been used to estimate forage dry matter intake, digestibility and the diet composition in grazing animals. The objective this study was to…”
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Dieta com alto teor de gordura e desempenho de tourinhos de grupos genéticos diferentes em confinamento
Published in Pesquisa agropecuaria brasileira (01-07-2009)“…O objetivo deste trabalho foi avaliar o desempenho em confinamento de tourinhos de quatro grupos genéticos distintos tratados com dietas com diferentes teores…”
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Conjugated linoleic acid (CLA) effects on pups growth, milk composition and lipogenic enzymes in lactating rats
Published in Journal of dairy research (01-05-2007)“…Conjugated linoleic acid (CLA) has a range of biological properties, including effects on lipid metabolism, milk and body composition in animals. This study…”
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Mathematical models in ruminant nutrition
Published in Scientia agricola (01-01-2005)“…Mathematical models can be used to improve performance, reduce cost of production, and reduce nutrient excretion by accounting for more of the variation in…”
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FECAL N-ALKANES VARIATION IN LACTATING DAIRY COWS GRAZING A TROPICAL PASTURE (Cynodon nlemfüensis VANDERYST VAR. NLEMFÜENSIS)
Published in Tropical and subtropical agroecosystems (17-12-2015)“…The objective of this study was to measure fecal n-alkane concentration variation and herbage intake in grazing lactating dairy cows fed with two sources of…”
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Perception of consultants, feedlot owners, and packers regarding the optimal economic slaughter endpoint in feedlots: a national survey in Brazil (Part I)1
Published in Canadian journal of animal science (24-06-2020)“…Little information exists regarding the optimal economic slaughter endpoint (OSE) for feedlot-finished cattle in Brazil. This study investigated the…”
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