Results 91 to 100 of about 223,972 (217)

Avaliação de genótipos de sorgo cultivados em solo ácido sob estresse. [PDF]

open access: yes, 2018
O sorgo e uma planta que possui a habilidade de diminuir suas atividades metabolicas durante periodos adversos de umidade no solo. Quando ha o restabelecimento no suprimento de agua o sorgo reage de maneira surpreendente, muitas vezes ultrapassando o ...
ALBUQUERQUE, P. E. P.   +2 more
core  

Physiological response of American bullfrog tadpoles to stressor conditions of capture and hypoxia Resposta fisiológica de girinos de rã-touro americana submetidos aos mecanismos estressores de captura e hipóxia.

open access: yesPesquisa Veterinária Brasileira, 2010
The American bullfrog (Rana catesbeiana), recently named Lithobates catesbeianus is currently farmed for commercial purposes throughout various regions of Brazil.
Guilherme C Rocha   +7 more
doaj   +1 more source

Evaluation of expression of mismatch repair gene MLH1 and levels of oxidative DNA damage in normal and neoplastic tissues of patients with colorectal cancer [PDF]

open access: yes, 2009
The oxidative DNA damage caused by oxygen free radicals is one of the most important mechanisms responsible for the initial steps of colorectal carcinogenesis.
Bartchewsky Júnior, Waldemar   +6 more
core   +4 more sources

The effects of seasonal change of water level in an estuary on Ludwigia octovalvis (Jacq.) P. H. Raven (Onograceae) growth Efeitos da variação sazonal do nível da água de um estuário sobre o crescimento de Ludwigia octovalvis (Jacq.) P. H. Raven (Onograceae)

open access: yesActa Botânica Brasílica, 2012
The Massaguaçu River estuary is an irregular estuary with sandbar breaching cycles that are irregular and happen several times each year. The species Ludwigia octovalvis is a perennial weed in several places around the world, but it is seasonal in the ...
Jose Pedro Nepomuceno Ribeiro   +2 more
doaj  

Profile of cortisol, glycaemia, and blood parameters of American Bullfrog tadpoles Lithobates catesbeianus exposed to density and hypoxia stressors

open access: yesPesquisa Veterinária Brasileira, 2012
The aim of this study was to evaluate alterations to the physiological profile (cortisol, glycaemia, and blood parameters) of Lithobates catesbeianus caused by the stressors density and hypoxia.
Patricia C. Teixeira   +7 more
doaj   +1 more source

Qualidade fisiológica de sementes de Physalis peruviana sob condições de estresse hídrico

open access: diamond, 2022
Valmira Hoste Dutra   +5 more
openalex   +1 more source

Protocolo para Avaliar o Estresse de Minoria em Lésbicas, Gays e Bissexuais [PDF]

open access: diamond, 2020
Ângelo Brandelli Costa   +8 more
openalex   +1 more source

Estresse na reprodução de caprinos machos. [PDF]

open access: yes, 2015
Resumo: Quando o homem começou a domesticar os animais e colocá-los em cativeiro, sua principal preocupação restringia-se a como impedi-los de escapar e como poderiam ser mantidos vivos e saudáveis.
ELOY, A. M. X., PEREIRA, E. P.
core  

Comparison of two methods for glucocorticoid evaluation in maned wolves

open access: yesPesquisa Veterinária Brasileira, 2011
Analysis of faecal glucocorticoid metabolites provides a powerful noninvasive tool for monitoring adrenocortical activity in wild animals. However, differences regarding the metabolism and excretion of these substances make a validation for each species ...
Angélica S Vasconcellos   +5 more
doaj   +1 more source

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