Search Results for Brazil
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Analysis of convective heat transfer in dairy cattle via computational fluid dynamics
Andressa Carvalho de Sousa,
José Antonio Delfino Barbosa Filho,
et al.
| This study aimed to evaluate convective heat transfer in dairy cattle during grazing in a tropical climate region through computational fluid dynamics (CFD) simulations. Furthermore, this study...
Published in 12 December 2024
Using infrared thermography to measure the body surface temperature of crossbred cows and calves in the semi-arid region of Minas Gerais, Brazil
Cinara da Cunha Siqueira Carvalho,
Ananda Cordeiro de Souza,
et al.
| This study aimed to evaluate the body surface temperature of crossbreed cows and calves managed in the semi-arid region of Minas Gerais (Brazil), using the infrared thermography technique. The...
Published in 29 May 2019
Flavored sisal ropes as environmental enrichment for nursery piglets
Janaina Cristina da Silva Maciel de Souza,
Laya Kannan Silva Alves,
et al.
| The objective of the present study was to evaluate the behavior of piglets in the nursery phase in the presence of pure sisal ropes, soaked with different flavors as a means of environmental...
Published in 16 September 2020
Thermal environment characterization of laying hen-housing systems
Nágela Maria Henrique Mascarenhas,
Dermeval Araújo Furtado,
et al.
| O objetivo do estudo foi reunir de formar sistêmica informações sobre as diversas variáveis que influência na caracterização do ambiente térmico nos galpões avícolas. A avicultura de postura é...
Published in 17 January 2022
Welfare in pig housing - Brazilian and Portuguese legislation
Daiane Cecchin,
Francine Aparecida Sousa,
et al.
| Animal welfare is conditional on well-planned and well-managed exploitation, since the management of the animals strongly influences their behavior, their productivity and, consequently, the...
Published in 01 July 2018
Ingestive behavior and infrared thermography of Holstein × Zebu crossbreed cows in the final third of gestation in different pastoral environments
Hugo Pereira Santos,
Cinara da Cunha Siqueira Carvalho,
et al.
| This study aimed to evaluate the ingestive behavior and body surface temperature of F1 Holstein × Zebu cows that were non-lactating in the final third of gestation and managed in two pastoral...
Published in 25 March 2021
Biochemical and hematological alterations in horses subjected to performance tests in a semiarid region
Maria Dulcinéia da Costa ,
Pedro Gabriel Dias Teixeira,
et al.
| This study aimed to evaluate the hematological, physiological and biochemical alterations of quarter and crossbred horses subjected to vaquejada tests in semiarid regions and to determine the...
Published in 13 December 2024
Abrupt weaning type combined to stress during late pregnancy in sheep present economic losses on carcass and low testicular development in lambs
Fábio Luís Henrique,
Cristiane Gonçalves Titto,
et al.
| This study investigates the combined effect of the progressive or abrupt weaning after the stress during middle and late pregnancy on the performance and development of lambs. Twenty-four male...
Published in 01 April 2018
Feeding behavior of Santa Inês sheep in pastures of Cynodon dactylon and Andropogon gayanus
Paulo Henrique Amaral Araújo de Sousa,
Laylson da Silva Borges ,
et al.
| The objective of this study was to compare the behavior of sheep in different pastures, checking for possible differences in time spent grazing, leisure, and the number of bites of animals. 10...
Published in 28 August 2024
Interaction of genotype-environment Nellore cattle using models of reaction
Wéverton José Lima Fonseca,
Wéverson Lima Fonseca,
et al.
| The aim with this review was to approach the importance of the genotype-environment interaction of Nelore cattle by using reaction norms models. The beef cattle’s ranching has stood out as one...
Published in 31 July 2015
Handling, reactivity and price of beef cattle
Cinara da Cunha Siqueira Carvalho,
Evileide Marques de Oliveira,
et al.
| Given the importance of cattle breeding for the Brazilian economy, as well as the growing concern with animal welfare, studies that clearly and objectively approach the way cattle are handled...
Published in 28 February 2020
Animal and workers' welfare during agricultural fair
Cinara da Cunha Siqueira Carvalho,
Maria Dulcinéia da Costa,
et al.
| The animal welfare concept in the last years began to be implanted in the animal production scenario and in the environment where the workers are inserted. But, the animal breeders themselves...
Published in 01 February 2019
Behavioral and thermoregulatory characteristics of Dorper sheep
Tatiana Saraiva Torres,
Lucimar Oliveira Silva,
et al.
| The objective of this study was to evaluate the behavioral and thermoregulatory characteristics of Dorper sheep. The experiment involved 12 adult females in which the respiratory frequency (RF),...
Published in 31 July 2017
Geoclimatic evaluation of the Northeast Region of Brazil and its suitability for breeding beef cattle
Caio Victor Damasceno Carvalho,
Eva Clícia Almeida,
et al.
| Aiming to evaluate the climatic diversity among the states located in the Northeast Region of Brazil and their adequacy for beef cattle production, the altitude, rainfall, average annual...
Published in 01 January 2018
Use of alternative tiles in the free-range broilers rearing: thermal environment, productive performance and physiological responses
Mônica Patrícia Maciel,
Cinara da Cunha Siqueira Carvalho,
et al.
| The physiological parameters and the productive performance of free-range broilers submitted to installations with different materials of tile composition were evaluated. 320 male broilers of...
Published in 09 December 2020
Influence of environmental color on zootechnical performance and feeding behavior during masculinization of Nile tilapia
Perila Maciel Rebouças,
Rafael dos Santos Rocha,
et al.
| The rise of tilapia in Brazil and the world increasingly needs the best growing conditions. Despite the Nile tilapia has diurnal, your vision is considered a strong sensory stimulus, and as the...
Published in 31 October 2014
Adaptative thermal traits in farm animals
Carlos Syllas Monteiro Luz ,
Wéverton José Lima Fonseca ,
et al.
| Animal welfare is affected by weather conditions that influence on thermal comfort, therefore the aim of this literature review was to assess the influence of environmental factors on...
Published in 28 August 2024
Behavioral and physiological responses of crossbred Holstein-Zebu cows and their interaction with the milker in two milking systems
Hugo Pereira Santos,
Auriclécia Lopes de Oliveira Aiura,
et al.
| The aim of this study was to evaluate the behavioral and physiological responses of dairy cows and their interaction with the milker in two types of milking systems. The experiment was conducted...
Published in 01 January 2019
Transport distance influenced the proportion of skin lesions in finishing pigs and negatively affected animal welfare
Vivian Schwaab Sobral,
Robson Mateus Freitas Silveira,
et al.
| Transport is a relevant process during pigs’ lives because of its impact on animal welfare. Considering commercial conditions, several factors vary between journeys; therefore, it is important...
Published in 12 December 2023
Surviving heat: Resilience of Nellore bulls to solar radiation exposure
Mateus Medeiros dos Santos,
João Batista Freire Souza-Junior,
et al.
| We aimed to assess the physiological and biophysical responses of Nellore bulls exposed to solar radiation in semiarid conditions throughout the day. Sixteen Nellore bulls were examined in Tibau...
Published in 26 August 2023
Thermo-acoustic environment of a pig farm facility with different superimposed bed materials
Francine Aparecida Sousa ,
Alessandro Torres Campos Campos,
et al.
| The objective of this work was to compare different bedding materials in swine production systems by evaluating noise and thermal environment indexes. The experiment was performed during June...
Published in 31 July 2017
Effect of time of day and type of shading on the physiological responses of crossbred calves in tropical environment
Patrícia de Oliveira Lima,
João Batista Freire Souza-Junior,
et al.
| Many studies report the relationship between adverse environmental conditions and damage yield, especially in dairy cows. However, studies about the effects of the environment on young animals,...
Published in 31 July 2013
Litter quality of broiler fed with to different levels of sulfur amino acid
Genilson Bezerra de Carvalho,
Lindolfo Dorcino dos Santos Neto,
et al.
| The objective of this study was to determine the effect of sulfur amino acid (methionine+cystine) supplementation included in the diet of broiler chickens raised under Brazilian commercial...
Published in 01 January 2018
Diet of two insectivorous fish species in a Brazilian semiarid reservoir
Jean Carlos Dantas de Oliveira,
Jônnata Fernandes de Oliveira,
et al.
| Long periods of aridity can cause changes in the diet of fish since hydrological variations affect the availability of food resources. The objective of this study was to investigate the diet of...
Published in 01 January 2019
Behavioral and physiological responses of different genetic lines of free-range broiler raised on a semi-intensive system
Sicília Avelar Gonçalves,
Rony Antonio Ferreira,
et al.
| The aim of the study was evaluate the ability of adaptation of seven different genetic lines of free-range broilers to a semi-intensive raising system. Four hundred and twenty chicks of the...
Published in 31 October 2017