Results 71 to 80 of about 1,842 (187)

Assessment of indices of thermal stress indicators among male buffaloes reared in the Eastern Brazilian Amazon

open access: yesActa Scientiarum: Animal Sciences, 2018
This research aimed to determine the most appropriate thermal comfort index for buffaloes reared in the Eastern Amazon, Pará, Brazil. Twenty male Murrah buffaloes were used, and data on climate variables, rectal temperature (RT), body surface temperature
Messy Hennear de Andrade Pantoja   +5 more
doaj   +1 more source

Heat Tolerance in Curraleiro Pe-Duro, Pantaneiro and Nelore Cattle Using Thermographic Images

open access: yesAnimals, 2016
The objective of this study was to compare physiological and thermographic responses to heat stress in three breeds of cattle. Fifteen animals of each of the Nelore, Pantaneiro and Curraleiro Pe-Duro breeds, of approximately two years of age, were ...
Caio Cesar Cardoso   +7 more
doaj   +1 more source

Parâmetros clínicos, hematológicos, bioquímicos e hormonais de bovinos submetidos ao estresse calórico Clinical, hematological, biochemical, and hormonal parameters of cattle submitted to heat stress

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2009
Caracterizaram-se as respostas clínicas, hematológicas, bioquímicas e hormonais de 71 bovinos F2 (½ Gir x ½ Holandês), 39 machos e 32 fêmeas, entre 14 e 20 meses de idade, submetidos a condições de termoneutralidade (22ºC a 70% de umidade relativa) e ao ...
F. Ferreira   +7 more
doaj   +1 more source

Morphometrical development of tambaqui (Colossoma macropomum, Cuvier, 1818) under different photoperiods

open access: yesRevista Brasileira de Zootecnia, 2012
The experiment was performed with 160 tambaqui (Colossoma macropomum) with average weight 11.01±2.08 g and total length 7.8±0.18 cm. Fishes were kept in sixteen aquariums with 56 L of water at 29.1±0.4 ºC of temperature, initial stocking density 1.97 g/L
Pedro Pierro Mendonça   +5 more
doaj   +1 more source

Perfil hematológico de búfalas da raça Murrah, criadas ao sol e à sombra, em clima tropical da Amazônia Oriental Hematologic profile of murrah buffalo cows, raised in the sun and under shade, at tropical climate of the eastern amazon

open access: yesActa Amazonica, 2011
Foram avaliadas as respostas hematológicas de 20 búfalas, criadas ao sol (grupo - SS) e à sombra (grupo - CS), em Belém, Pará. Os animais do grupo CS (n = 10) estavam em sistema silvipastoril, com Racosperma mangium e os do SS (n = 10), em piquetes sem ...
Jamile Andréa Rodrigues Silva   +5 more
doaj   +1 more source

Urban bioclimatology in an intermediate Latin American city with a temperate climate (Bahía Blanca, Argentina)

open access: yes
This article aims to characterise the spatio-temporal variability of thermal comfort in Bahía Blanca between 1961 and 2020, including during extreme thermal events (heatwaves and coldwaves). Meteorological records from three stations located in different
Jorge Osvaldo Gentili   +3 more
core   +1 more source

Classificação de características produtivas fenotípicas de diferentes raças de poedeiras através da mineração de dados Phenotypic production characteristics from different breeds of laying hens through data mining

open access: yesCiência Rural, 2013
O estudo foi realizado com o banco de dados do Programa de Melhoramento Genético de Poedeiras de Ovos Marrons do Laboratório de Avicultura (LAVIC) do Departamento de Zootecnia da Universidade Federal de Santa Maria (UFSM), onde são utilizadas aves das ...
Priscila Becker Ferreira   +5 more
doaj  

Change in Siberian phytomass predicted for global warming

open access: yesSilva Fennica, 1996
An equilibrium model driven by climatic parameters, the Siberian Vegetation Model, was used to estimate changes in the phytomass of Siberian vegetation under climate change scenarios (CO2 doubling) from four general circulation models (GCM's) of the ...
Robert A. Monserud   +3 more
doaj   +1 more source

. Effects of semen dose on egg fertility, embryo mortality and hatchability in artificially inseminated geese (Anser cygnoides).

open access: yesBulgarian Journal of Veterinary Medicine
The effects of semen dose on egg fertility, hatchability and embryo mortality in geese artificially in-seminated with undiluted semen were investigated in a 4-weeks experiment.
E. T. Akinbola, E. O. Ewuola
doaj   +1 more source

BIOCLIMATIC LIVESTOCK ZONING OF MARANHÃO STATE, BRAZIL

open access: yesTropical and Subtropical Agroecosystems, 2017
The production environment in which animals are kept can be classified by bioclimatic indexes expressing the conditions of thermal comfort to different species. In the state of Maranhão (MA), located in Northeast Brazil region, stand out in the livestock
Geyssane Farias de Oliviera   +4 more
doaj  

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