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106 resultados encontrados.

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Generalized linear mixed models for the genetic evaluation of binary reproductive traits: a simulation study
Artículo
Acceso abierto Artículo DOAJ
Generalized linear mixed models for the genetic evaluation of binary reproductive traits: a simulation study
Diogo Anastácio Garcia et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to evaluate the use of probit and logit link functions for the genetic evaluation of early pregnancy using simulated data. The following simulation/analysis structures were constructed: lo...
LCC LCC:Animal cultureIdioma eng
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Genetic divergence between genotypes of forage peanut in relation to agronomic and chemical traits
Artículo
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Genetic divergence between genotypes of forage peanut in relation to agronomic and chemical traits
Ana Paula Morais Menezes et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to evaluate the genetic divergence of forage peanut in relation to agronomic and chemical traits in both rainy and dry seasons. This experiment was conducted with genotypes from the Forage...
LCC LCC:Animal cultureIdioma eng
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Genetic diversity of the Brazilian Creole cattle Pé-duro assessed by microsatellites and mitochondrial DNA
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Genetic diversity of the Brazilian Creole cattle Pé-duro assessed by microsatellites and mitochondrial DNA
Ana Paula Ferreira de Oliveira et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to describe the genetic diversity and structure of the largest Pé-duro population by assessing variation at ten autosomal microsatellite (STR) loci and mitochondrial DNA (mtDNA) sequences...
LCC LCC:Animal cultureIdioma eng
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Genetic evaluation for egg mass in partial periods and complete period in meat quails
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Genetic evaluation for egg mass in partial periods and complete period in meat quails
Jeferson Corrêa Ribeiro et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to obtain estimates of genetic and phenotypic parameters for egg mass of meat quails and also to propose an optimal age for selection of birds through the egg mass. The data used in this s...
LCC LCC:Animal cultureIdioma eng
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Brachiaria brizantha control by using fluazifop-p-butil on Tifton 85 pasture formation
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Brachiaria brizantha control by using fluazifop-p-butil on Tifton 85 pasture formation
Márcia Vitória Santos et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
This study was carried out with the aim of assessing the efficacy of the fluazifop-p-butyl herbicide to control Brachiaria brizantha, cultivar Marandu, in the formation of Tifton 85 grazing. Treatments consisted of five ...
LCC LCC:Animal cultureIdioma eng
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Breeding objectives and economic values for traits of low input family-based beef cattle production system in the State of Rio Grande do Sul
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Breeding objectives and economic values for traits of low input family-based beef cattle production system in the State of Rio Grande do Sul
Carlos Henrique Laske et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objectives of this study were to define breeding objectives and derive economic weights for production traits in family-based beef cattle systems, assess the sensitivity of these weights to changes in market and husb...
LCC LCC:Animal cultureIdioma eng
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Características estruturais e agronômicas da Brachiaria brizantha cv. Xaraés submetida a doses de nitrogênio Structural characteristics and agronomic traits of Brachiaria brizantha cv. Xaraés subjected to nitrogen levels
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Características estruturais e agronômicas da Brachiaria brizantha cv. Xaraés submetida a doses de nitrogênio Structural characteristics and agronomic traits of Brachiaria brizantha cv. Xaraés subjected to nitrogen levels
Welton Batista Cabral et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Objetivou-se neste experimento avaliar as características estruturais e agronômicas da Brachiaria brizantha cv. Xaraés sob diferentes doses de nitrogênio (0; 125; 250; 375 e 500 kg.ha-1 de N) cultivadas no Campus Uni...
LCC LCC:Animal cultureIdioma eng
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Crude glycerine in diets for piglets
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Crude glycerine in diets for piglets
Paulo Levi de Oliveira Carvalho et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Two experiments were carried out to determine the nutritional value and to evaluate performance of piglets fed two types of crude glycerine (CG), which were made from vegetable oil (CGS) and a mix of animal fat + % soybe...
LCC LCC:Animal cultureIdioma eng
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Dietary requirements of available phosphorus in growing broiler chickens at a constant calcium:available phosphorus ratio
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Dietary requirements of available phosphorus in growing broiler chickens at a constant calcium:available phosphorus ratio
Heloisa Helena de Carvalho Mello et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Four experiments were conducted to study the requirements of available phosphorus (aP) for commercial male broilers of 1-10 day of age (exp.1), 11-21 days of age (exp. 2), 22-33 day of age (exp. 3) and 34-46 days of age ...
LCC LCC:Animal cultureIdioma eng
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Digestible lysine levels in diets for pigs from 24 to 50 kg under sanitary segregation
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Digestible lysine levels in diets for pigs from 24 to 50 kg under sanitary segregation
Érika Rosendo de Sena Gandra et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
This study evaluated the relationship between digestible lysine and metabolizable energy for barrow and gilts from 24 to 50 kg. Performance, digestibility and blood profile were studied. The experimental design was of ra...
LCC LCC:Animal cultureIdioma eng
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Economic viability of feeding dairy cows on diets containing different levels of soybean oil
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Economic viability of feeding dairy cows on diets containing different levels of soybean oil
Marcos Aurélio Lopes et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to evaluate the economic viability of feeding dairy cows with diets containing different levels of soybean oil. Cows were fed diets based on tropical forage (Pennisetum purpureum Schum) su...
LCC LCC:Animal cultureIdioma eng
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Efeitos da redução da proteína dietética sobre o desempenho e as características de carcaça de frangos de corte de 1 a 21 dias de idade Reduction of dietary protein on performance and carcass of broiler chickens from 1 to 21 days of age
Artículo
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Efeitos da redução da proteína dietética sobre o desempenho e as características de carcaça de frangos de corte de 1 a 21 dias de idade Reduction of dietary protein on performance and carcass of broiler chickens from 1 to 21 days of age
Carlos Henrique de Figueiredo Vasconcellos et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
O experimento foi conduzido em delineamento inteiramente ao acaso para avaliar os efeitos da redução de proteína (PB) e da suplementação de aminoácidos essenciais sobre o desempenho e as características de carcaç...
LCC LCC:Animal cultureIdioma eng
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Energy and protein nutritional requirements for Nellore bulls
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Energy and protein nutritional requirements for Nellore bulls
Luiz Fernando Costa e Silva et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to determine the nutritional requirements of energy and protein and estimate the efficiencies of metabolizable energy utilization for fat and protein deposition, as well as for maintenance...
LCC LCC:Animal cultureIdioma eng
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Evaluation of the Cornell Net Carbohydrate and Protein System model on the prediction of dry matter intake and milk production of grazing crossbred cows
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Evaluation of the Cornell Net Carbohydrate and Protein System model on the prediction of dry matter intake and milk production of grazing crossbred cows
Mirton José Frota Morenz et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The Cornel Net Carbohydrate and Protein System model version 5.0 was assessed as for its prediction of dry matter intake and milk production of grazing lactating Holstein × Zebu cows. Eight lactating cows grazing elepha...
LCC LCC:Animal cultureIdioma eng
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Evaporative cooling for lactating sows under high ambient temperature
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Evaporative cooling for lactating sows under high ambient temperature
Charles Kiefer et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Two experiments were conducted to evaluate the evaporative cooling of the air at farrowing on the performance of lactating sows under high environmental temperature conditions in the Central West region of Brazil. One hu...
LCC LCC:Animal cultureIdioma eng
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IPR 126 white oat forage potential under free growth, cutting and grazing at two management heights
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IPR 126 white oat forage potential under free growth, cutting and grazing at two management heights
Marcela Abbado Neres et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The experiment was carried out to evaluate the structural characteristics, biomass accumulation, chemical composition and in vitro digestibility of dry matter and crude protein of white oat (Avena sativa L. IPR 126) unde...
LCC LCC:Animal cultureIdioma eng
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Intake, digestibility, rumen characteristics and microbial protein synthesis efficiency in bovine and bubaline fed sugar cane silage with additives
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Intake, digestibility, rumen characteristics and microbial protein synthesis efficiency in bovine and bubaline fed sugar cane silage with additives
Emilyn Midori Maeda et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Intake and total and ruminal digestibility, ruminal characteristics and microbial synthesis efficiency in bovine and bubaline fed sugar cane silages treated with microbial additive Lactobacillus buchneri (inoculate) and ...
LCC LCC:Animal cultureIdioma eng
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Intake, performance, digestibility, microbial efficiency and carcass characteristics of growing Nellore heifers fed two concentrate levels
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Intake, performance, digestibility, microbial efficiency and carcass characteristics of growing Nellore heifers fed two concentrate levels
Mateus Pies Gionbelli et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to evaluate nutrients and dry matter intake, average daily gain, feed efficiency and digestibility of diets, microbial efficiency, cold carcass yield and basic cuts yields of young Nellore...
LCC LCC:Animal cultureIdioma eng
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Nutritional divergence in genotypes of forage peanut
Artículo
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Nutritional divergence in genotypes of forage peanut
Alexandre Lima Ferreira et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to evaluate the nutritional divergence between ten genotypes of forage peanut, based on chemical composition as well as fermentation and in vitro degradation kinetic characteristics. Treat...
LCC LCC:Animal cultureIdioma eng
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Ovarian response of Suffolk ewes to estrous synchronization using short-term protocol
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Ovarian response of Suffolk ewes to estrous synchronization using short-term protocol
Luciana Takada et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The efficacy of estrus synchronization using short-term protocol was evaluated by ultrasound exams in Suffolk ewes during the pre-breeding season. The control Group (n = 12) was synchronized by treatment for 12 days with...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
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Parâmetros químicos, bioquímicos e mecânicos de fêmures de frangos de corte submetidos a diferentes balanços eletrolíticos Chemical, biochemical and mechanical parameters of femurs of broilers subjected to different electrolyte balance levels
Artículo
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Parâmetros químicos, bioquímicos e mecânicos de fêmures de frangos de corte submetidos a diferentes balanços eletrolíticos Chemical, biochemical and mechanical parameters of femurs of broilers subjected to different electrolyte balance levels
Elisa Sialino Müller et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Objetivou-se avaliar as características ósseas de frangos de corte tratados com diferentes níveis de balanço eletrolítico (BE) na ração. Foram criados 936 pintos de corte Cobb de 1 dia de idade distribuídos em de...
LCC LCC:Animal cultureIdioma eng
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Performance and economic indicators of a large scale fish farming in Mato Grosso, Brazil
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Performance and economic indicators of a large scale fish farming in Mato Grosso, Brazil
Adriana Fernandes de Barros et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
Performance and economic indicators of a large scale fish farm that produces round fish, located in Mato Grosso State, Brazil, were evaluated. The 130.8 ha-water surface area was distributed in 30 ponds. Average total pr...
LCC LCC:Animal cultureIdioma eng
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Quantitative characterization of corn plant components according to planting time and grain maturity stage
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Quantitative characterization of corn plant components according to planting time and grain maturity stage
José Luiz de Andrade Rezende Pereira et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this experiment was to characterize the dry matter production of vegetative components (stalk, leaf, husk, and cob) and reproductive components (grain) of the corn plant according to planting time and th...
LCC LCC:Animal cultureIdioma eng
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Saline water for juvenile giant trahira during feed training
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Saline water for juvenile giant trahira during feed training
Ana Lúcia Salaro et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
The objective of this study was to investigate the effect of different water salinities on juvenile Hoplias lacerdae during feed training. Salinity levels of 0, 3, 6 and 9 g salt L-1 were used. Juveniles (3.33±0.1 cm an...
LCC LCC:Animal cultureIdioma eng
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