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Mostrando ítems 41-50 de 2021
Development of an android APP to calculate thermal comfort indexes on animals and people
(2018-08-01)
Nowadays, most of the analysis on thermal comfort in the agricultural environment, with particular reference to animal production environments, use indexes that allow the evaluation of the thermal stress level of a given ...
Thermal ecology of small animals
(1998)
One of the most representative cases in which the relation individual-environment is evident is the heat exchange between animals and their physical environment. Based on the physical laws regulating heat exchange and on ...
Influence of hot environments on some blood variables of sheep
(1992-12-01)
Thirty-two Polwarth sheep of ages up to 1 year were observed under temperatures varying from 10.5 to 46.5°C. The following blood cell counts were made: erythrocyte (RBC), leucocyte (WBC), eosinophil (EOS), neutrophil (NEU), ...
Logistic regression to estimate the welfare of broiler breeders in relation to environmental and behavioral variables
(Associação Brasileira de Engenharia Agrícola (SBEA), 2011-02-01)
As crescentes demandas e exigências dos mercados consumidores pelo bem-estar das aves nos aviários têm motivado diversas pesquisas científicas a monitorar e a classificar o bem-estar em função do ambiente de criação. Diante ...
Growing-finishing performance and carcass yield of pigs reared in a climate-controlled and uncontrolled environment
(Springer, 2015-08-01)
The objective of this study was to evaluate the effect of temperature on the performance and carcass yield of pigs housed in different environments. Twenty castrated male pigs of the Topigs line were assigned to two ...
Two-Way Selection for Daily Gain and Feed Conversion in a Composite Rabbit Population
(1997-09-01)
We conducted a two-way selection experiment in a composite rabbit population to investigate the responses to selection for postweaning ADG and feed conversion (FC). Two generations of crossing, followed by four generations ...
Thelytokous parthenogenesis in the fungus-gardening ant Mycocepurus smithii (Hymenoptera: Formicidae)
(2009-08-26)
The general prevalence of sexual reproduction over asexual reproduction among organisms testifies to the evolutionary benefits of recombination, such as accelerated adaptation to changing environments and elimination of ...
Efeito da tosquia na temperatura corpórea e outros parâmetros clínicos em ovinos
(2013-08-20)
The aim of this study was to determine the variation of the temperature after shearing in sheep under dry and hot environment conditions and to compare the temperature changes with variation in cardiac and respiratory ...
Sporothrix schenckii complex biology: environment and fungal pathogenicity
(Soc General Microbiology, 2014-11-01)
Sporothrix schenckii is a complex of various species of fungus found in soils, plants, decaying vegetables and other outdoor environments. It is the aetiological agent of sporotrichosis in humans and several animals. Humans ...