Search Results - "De Filho, Sebastiao Campos Valadares"
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Energy requirements for pregnant dairy cows
Published in PloS one (07-07-2020)“…This study aimed to estimate energy requirements of pregnant Holstein x Gyr cows. Different planes of nutrition were established by two feeding regimens: ad…”
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2
Evaluation of Laboratory Procedures to Quantify the Neutral Detergent Fiber Content in Forage, Concentrate, and Ruminant Feces
Published in Journal of AOAC International (01-07-2015)“…A comparison was made of measurements of neutral detergent fiber concentrations obtained with AOAC Method 2002.04 and modified methods using pressurized…”
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3
Intake, digestibility and nitrogen utilization in cattle fed tropical forage and supplemented with protein in the rumen, abomasum, or both
Published in Journal of animal science and biotechnology (19-02-2016)“…Background: There is little information in the tropics with regard the comparative understanding of how an increased nitrogen supply in the rumen or in the…”
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4
Evaluation of acid digestion techniques to estimate chromium contents in cattle feces
Published in Pesquisa agropecuaria brasileira (01-01-2015)“…The objective of this work was to evaluate the accuracy of digestion techniques using nitric and perchloric acid at the ratios of 2:1, 3:1, and 4:1 v v-1, in…”
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5
Intake, digestibility, and rumen and metabolic characteristics of cattle fed low-quality tropical forage and supplemented with nitrogen and different levels of starch
Published in Animal bioscience (01-06-2017)“…Effects of nitrogen supplementation associated with different levels of starch on voluntary intake, digestibility, and rumen and metabolic characteristics of…”
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Nutritional Performance of Cattle Grazing during Rainy Season with Nitrogen and Starch Supplementation
Published in Animal bioscience (01-08-2016)“…The objective of this work was to evaluate the effects of supplementation with nitrogen and starch on the nutritional performance of grazing cattle during the…”
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7
Energy and protein requirements of crossbred cattle in feedlot
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (26-04-2016)“…The objective of this study is to predict the energy and protein requirements of crossbred dairy cattle in feedlot. The study was conducted at the Unidade…”
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Energy and protein requirements of crossbred Holstein x Zebu steers fed different levels of calcium and phosphorus in the diet
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-01-2016)“…The aim of this study was to determine the energy and protein requirements of crossbred Holstein x Zebu steers fed with or without the supplementation of…”
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Does vitamin blends supplementation affect the animal performance, carcass traits, and nutrient digestibility of young Nellore finishing bulls?
Published in Animal bioscience (01-12-2023)“…Objective: This study was realized to evaluate the effects of supplementation with blends of water and fat-soluble vitamins on animal performance and carcass…”
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10
Performance, metabolic and hormonal responses of grazing Nellore cows to an energy-protein supplementation during the pre-partum phase
Published in BMC veterinary research (09-04-2020)“…Supplementation programs for prepartum beef cows are usually adopted because the nutritional status of the cows upon calving is a main factor impacting…”
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Nutrient requirements and evaluation of equations to predict chemical body composition of dairy crossbred steers
Published in Animal bioscience (01-04-2021)“…Objective: Objectives were to estimate energy and protein requirements of dairy crossbred steers, as well as to evaluate equations previously described in the…”
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12
Creatinine recovery from bovine urine under the effect of different times and temperatures of storage
Published in PloS one (31-03-2023)“…Creatinine is a urinary marker used widely in ruminant's experimental trials. However, despite its great importance no data were found in the literature about…”
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13
Evaluation of ruminal degradation profiles of forages using bags made from different textiles
Published in Revista brasileira de zootecnia (01-11-2011)“…The objective of this study was to evaluate the in situ degradation profiles of dry matter (DM) and neutral detergent fiber (NDF) of different forages using…”
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14
Regression models from portable NIR spectra for predicting the carcass traits and meat quality of beef cattle
Published in PloS one (31-05-2024)“…The aims of this study were to predict carcass and meat traits, as well as the chemical composition of the 9th to 11th rib sections of beef cattle from…”
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Impact of replacing soybean meal in beef cattle diets with inactive dry yeast, a sugarcane by-product of ethanol distilleries and sugar mills
Published in Animal feed science and technology (01-04-2014)“…This study assessed the intake, total and partial apparent digestibility of nutrients, pH, ruminal ammonia concentration, nitrogen efficiency usage, and…”
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16
Can the body composition of crossbred dairy cattle be predicted by equations for beef cattle?
Published in Animal bioscience (01-10-2018)“…The aim of the study was to evaluate the efficiency of the Hankins and Howe (HH46), Valadares Filho (V06), and Marcondes (M12) equations for predicting the…”
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17
Reconstituted and ensiled corn or sorghum grain: Impacts on dietary nitrogen fractions, intake, and digestion sites in young Nellore bulls
Published in PloS one (07-08-2020)“…Two experiments were conducted: (1) to evaluate the effect of ensiling time and grain source on dietary nitrogen fractions; and (2) to verify the influence of…”
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18
Levels of supplementation for grazing beef heifers
Published in Animal bioscience (01-06-2014)“…The objective of this experiment was to evaluate the effect of providing different levels of a supplement on the nutritional characteristics and productive…”
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Feed intake, nutrient digestibility, and selected rumen parameters in feedlot bulls fed diets with different feed additives
Published in PloS one (02-11-2021)“…An experiment was conducted to evaluate the feed intake, nutrient digestibility and selected rumen parameters in feedlot bulls fed diets containing different…”
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20
Supplementation strategies for grazing beef cattle during the rainy-dry transition period
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-03-2017)“…An experiment was carried out to investigate the effects of supplementation strategies on intake, digestibility, and performance of Nellore cattle on pasture…”
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