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37 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Lysine levels in diets for broilers from 8 to 21 days of age
Artículo
Material complementario disponible Artículo DOAJ
Will Pereira de Oliveira et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
This study was conducted to evaluate the effects of digestible lysine levels in diets with and without supplementation of industrial amino acids on performance and fat deposition in the carcass of broilers in the starter...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Microbiological profile and aerobic stability of Tifton 85 bermudagrass silage with different additives
Artículo
Acceso abierto Artículo DOAJ
Marcela Abbado Neres et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective of this study was to evaluate the microbiological profile and aerobic stability of silage with Tifton 85 bermudagrass and different additives and wilting. The studied treatments were: pre-drying in the sun ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Biomass flow in massai grass fertilized with nitrogen under intermittent stocking grazing with sheep
Artículo
Acceso abierto Artículo DOAJ
Marcos Neves Lopes et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
This study evaluated the biomass flow of massai grass in regrowth subjected to different nitrogen levels (control - no fertilization; 400; 800; and 1200 N kg ha-1year-1) and under rotational stocking with sheep, in a com...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Crude glycerin in supplement to primiparous lactating cows grazing on tropical pasture: nutritional and productive characteristics
Artículo
Material complementario disponible Artículo DOAJ
Hermógenes Almeida de Santana Júnior et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective of this study was to evaluate the nutritional and productive characteristics of primiparous lactating cows grazing on tropical pasture, using different levels of crude glycerin in the supplement. The experi...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Determinants of feedlot adoption by beef cattle farmers in the state of São Paulo
Artículo
Acceso abierto Artículo DOAJ
Marcelo José Carrer et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The objective of this study was to identify the factors determining the adoption of feedlot by beef cattle farmers in the state of São Paulo, Brazil. For this purpose, primary data were collected among a sample of 84 fa...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Dietary crude protein reduction on growth and carcass performance of 22 to 42-day-old broilers reared under different temperatures
Artículo
Acceso abierto Artículo DOAJ
Will Pereira de Oliveira et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
This study was conducted to verify the effects of dietary crude protein reduction on growth and carcass performance of 22-42-day-old broilers reared under different temperatures. Treatments were set up in a five by two f...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Digestible lysine levels in diets for laying Japanese quails
Artículo
Material complementario disponible Artículo DOAJ
Cleverson Luís Nascimento Ribeiro et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The objective of this study was to estimate the digestible lysine requirement of Japanese quails in the egg-laying phase. A total of 336 female Japanese quails (Coturnix coturnix japonica) of average initial age of 207 d...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Effect of water stress on the growth of Arachis pintoi plants under different nitrogen levels
Artículo
Acceso abierto Artículo DOAJ
Rita Manuele Porto Sales et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective was to evaluate the growth of Arachis pintoi fertilized with nitrogen and water deficiency conditions. The study was developed in a 4 × 4 factorial arrangement with four nitrogen levels (0, 40, 80 and 120 ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Effects of addition of fluorine in diets differing in protein content on urinary fluoride excretion, clinical chemistry and thyroid hormones in calves
Artículo
Material complementario disponible Artículo DOAJ
Jayant Lohakare et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
In order to compare the effects of addition of fluorine (F) in diets differing in protein content on the urinary F excretion, blood profile and thyroid hormones, 30 crossbred calves (6-8 months) initially exposed to diff...
LCC LCC:Animal cultureIdioma eng
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Effects of the spermatozoa: oocyte ratio, water volume and water temperature on artificial fertilization and sperm activation of cascudo-preto
Artículo
Acceso abierto Artículo DOAJ
Robie Allan Bombardelli et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective of this study was to evaluate the effects of water volume and water temperature on the sperm motility duration and the number of spermatozoa, and the water volume on the fertilization rates of oocytes of Rh...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Estimation of genetic parameters for growth traits in Tabapuã cattle using a multi-trait model
Artículo
Acceso abierto Artículo DOAJ
Gilberto Romeiro de Oliveira Menezes et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
To provide information that can contribute to the genetic evaluation and selection in Tabapuã cattle, genetic parameters were estimated for growth traits using a multi-trait animal model. (Co)variance components were es...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Growth and productive responses of tropical grass Panicum maximum to nitrate and ammonium supply
Artículo
Acceso abierto Artículo DOAJ
Jorge Henrique da Silva Santos et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
This study was conducted to investigate growth response parameters and forage yield of Panicum maximum Jacq. plants supplied with nitrate (NO3-) and ammonium (NH4+) as N source in a nutrient solution. Six NO3- and NH4+ c...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Ideal digestible isoleucine: digestible lysine ratio in diets for laying hens aged 24-40 weeks
Artículo
Acceso abierto Artículo DOAJ
Tatiana Cristina da Rocha et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
Two hundred fifty-two Hy-Line W36 laying hens were allotted in a randomized block design with 6 treatments, 7 replicates and 6 hens per experimental unit in order to determine the ideal digestible isoleucine: digestible ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Microbial and fermentation profiles, losses and chemical composition of silages of buffel grass harvested at different cutting heights
Artículo
Acceso abierto Artículo DOAJ
Ricardo Martins Araujo Pinho et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The present study evaluated the microbial population, fermentation profile, losses and dry matter recovery, and chemical composition of silages of buffel grass at different cutting heights. To evaluate the microbial ferm...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Morphogenesis of native grasses of Pampa Biome under nitrogen fertilization
Artículo
Acceso abierto Artículo DOAJ
Juliana Medianeira Machado et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
Morphogenetic and structural characteristics of the native grasses of the Pampa Biome Andropogon lateralis, Aristida laevis, Axonopus affinis, Erianthus angustifolius, Paspalum notatum, Paspalum plicatulum, Piptochaetium...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Nonlinear models for fitting growth curves of Nellore cows reared in the Amazon Biome
Artículo
Acceso abierto Artículo DOAJ
Kedma Nayra da Silva Marinho et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
Growth curves of Nellore cows were estimated by comparing six nonlinear models: Brody, Logistic, two alternatives by Gompertz, Richards and Von Bertalanffy. The models were fitted to weight-age data, from birth to 750 da...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Performance of Nellore young bulls on Marandu grass pasture with protein supplementation
Artículo
Material complementario disponible Artículo DOAJ
Matheus Henrique Moretti et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective of this study was to verify the effect of low-intake supplementation on performance of Nellore young bulls kept on Marandu grass pasture. The experiment was divided in two periods: the dry and rainy seasons...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Production, composition and fatty acid profile of milk and butter texture of dairy cows fed ground or pelleted concentrate with sunflower and/or lignosulfonate
Artículo
Acceso abierto Artículo DOAJ
Fábio José Ferreira Figueiroa et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The objective of this study was to evaluate the milk production, composition, milk fatty acid profile, butter texture and blood parameters of Holstein cows fed corn silage and concentrate containing one of the following:...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Protein, calcium and phosphorus requirements in the maintenance of captive-bred capybaras
Artículo
Acceso abierto Artículo DOAJ
Sérgio Luiz Gama Nogueira-Filho et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective was to determine the nitrogen-protein, calcium and phosphorus requirements of adult capybaras (Hydrochoerus hydrochaeris) bred in captivity through a nutritional balance study under conditions that favored ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Repeatability of agronomic characters in Brachiaria brizantha cultivars
Artículo
Acceso abierto Artículo DOAJ
Janaina Azevedo Martuscello et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
This experiment was carried out with the objectives of determining repeatability coefficients, the number of harvests necessary to increase accuracy and the genotypic stability of yield characteristics in Brachiaria briz...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Residual feed intake and hematological and metabolic blood profiles of lle de France lambs
Artículo
Acceso abierto Artículo DOAJ
Edson Ferraz Evaristo de Paula et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The objectives of this study were to estimate the phenotypic correlations of residual feed intake (RFI) and gross feed efficiency (GFE) with hematological and metabolic blood profiles of lambs and to determine the differ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Spatial distribution of feces and estimates of nitrogen return by dairy cows on mombasa grass pastures
Artículo
Material complementario disponible Artículo DOAJ
Rodrigo Gregório da Silva et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
The objective of this study was to identify the pattern of deposition of feces by supplemented crossbred dairy cows after the lactation peak on cultivated areas under levels of intensification of the system and its effec...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
Artículo
Acceso abierto Artículo DOAJ
Stela Antas Urbano et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1806-9290
The effects of replacing Tifton hay with castor bean hulls (0, 33, 66 and 100%) on the leg tissue composition, chemical composition, physicochemical parameters and sensorial traits of sheep meat were studied. A total of ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Use of orthogonal functions in random regression models in describing genetic variance in Nellore cattle
Artículo
Material complementario disponible Artículo DOAJ
Thiago Bruno Ribeiro da Silva et al · Sociedade Brasileira de Zootecnia · 2013 · ISSN 1516-3598
A total of 204,912 records of birth weights up to 550 days of age, of 24,890 Nellore cattle, offspring of 375 sires and 16,917 dams from five herds in the state of Mato Grosso, Brazil, were used in order to describe the ...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario