Results 21 to 30 of about 1,557,549 (174)

INDUÇÃO DA OVULAÇÃO EM VACAS DE CORTE COM DIFERENTES OFERTAS FORRAGEIRAS DURANTE O PERÍODO PÓS-PARTO

Ciência Animal Brasileira, 2008
Este experimento teve por objetivo comparar a eficiência de um protocolo hormonal associado ao desmame por 96 horas com o desmame definitivo, em vacas em pastejo com diferentes ofertas forrageiras.
Gustavo Herter Terra, Paulo Bayard Dias Gonçalves, João Francisco Coelho de Oliveira, Tania de Azevedo Weimer, Jairo Pereira Neves   +4 more
doaj   +1 more source

VTMaxBox: A reproducible practical tool for measuring voluntary thermal maximum in terrestrial ectotherms

Methods in Ecology and Evolution, Volume 17, Issue 10, Page 2881-2894, October 2026.
Abstract Thermal traits are central to understanding how ectotherms respond to environmental warming. However, not all thermal traits describe the same biological process. Critical thermal maxima quantify physiological failure, whereas preferred temperatures describe thermal selection under choice conditions.
Juan C. Diaz‐Ricaurte, Marcio Martins
wiley   +1 more source

Comparison of extenders and storage temperature in chilling canine semen

Ciência Animal Brasileira, 2020
The objective of this study was to evaluate the influence of a commercial milk-based extender compared with a self-made egg yolk extender in the quality of canine semen, stored with two different temperatures (5°C or 15°C) for short-term cooling.
Tatiana Almeida Pignataro, Jessica Maresch De Araújo, Aline Batista Silva, Mariane Leão Freitas, Heitor Castro Alves Teixeira, Ivo Pivato, Rodrigo Arruda Oliveira   +6 more
doaj  

BIOMETRIA TESTICULAR DE CORDEIROS EM DIFERENTES IDADES E ALIMENTADOS COM NÍVEIS CRESCENTES DE FIBRA EM DETERGENTE NEUTRO ORIUNDA DA FORRAGEM

Ciência Animal Brasileira, 2014
O experimento foi conduzido na Universidade Federal de Lavras. Foram utilizados 64 cordeiros. Após o nascimento, os animais foram distribuídos em quatro tratamentos: Dieta A - 8,67; Dieta B - 17,34; Dieta C - 26,01 e Dieta D - 34,68% de FDN proveniente ...
Gilberto de Lima Macedo Junior, Roberta Moura Assis, Juan Ramón Olalquiaga Perez, Oiti José Paula, Patricia Maria França, Thaís Romano Vasconcelos Almeida   +5 more
doaj   +1 more source

Morphological and Histometric Alterations in Gonadal and Neural Tissues of Native and Non‐Native Fishes From the Lower Doce River Basin in Southeastern Brazil

Anatomia, Histologia, Embryologia, Volume 55, Issue 5, September 2026.
ABSTRACT The ichthyofauna of the lower Doce River basin has been exposed to multiple anthropogenic stressors. Among these, the collapse of the Fundão mining tailings dam in Mariana, Minas Gerais, Brazil, in 2015 resulted in massive fish mortality and widespread contamination of aquatic environments.
Lucas Marcon, Késsia Leite Souza, Natália Martins Travenzoli, Gustavo Ribeiro Rosa, Mara Luiza de Almeida Santos, Wander Ribeiro Ferreira, Paula Nunes Coelho, Jorge Abdala Dergam dos Santos, Elisabeth Henschel   +8 more
wiley   +1 more source

Animal reproduction and physiology/Reproducción y Fisiología/Reprodução e Fisiologia

, 2018
Animal reproduction and physiology/Reproducción y Fisiología/Reprodução e ...
Editor, Managing
core   +1 more source

ASSOCIAÇÃO ENTRE A PRESENÇA DE UM FATOR DE 38 kDa NO PLASMA SEMINAL E A INIBIÇÃO DA MOTILIDADE ESPERMÁTICA NO JUNDIÁ Rhamdia quelen

Ciência Animal Brasileira, 2010
Fatores proteicos tem sido indentificados no plasma seminal de peixes e mamíferos e, em algumas situações, associados com indicadores de qualidade espermática.
Vinicius Farias Campos, Tiago Collares, Fabiana Kömmling Seixas, Cristian Kaefer, Paulo Varoni Cavalcanti, Marta Gonçalves Amaral, Thomaz Lucia Jr., João Carlos Deschamps   +7 more
doaj   +1 more source

Demographic buffering in natural populations: A multi‐level perspective

Journal of Animal Ecology, Volume 95, Issue 8, Page 1298-1310, August 2026.
We introduce a multi‐level framework that unites stochastic elasticities with nonlinear selection to test demographic buffering. Applying it across mammals reveals a key insight: ecological robustness to variability often decouples from evolutionary constraint, reshaping how we understand resilience under environmental stochasticity.
Gabriel Silva Santos, Samuel J. L. Gascoigne, André Tavares Corrêa Dias, Maja Kajin, Roberto Salguero‐Gómez   +4 more
wiley   +1 more source

Environmental detection of the amphibian chytrid fungus in water bodies is associated with host infection along a deforestation gradient

Journal of Applied Ecology, Volume 63, Issue 7, July 2026.
Linking environmental pathogen detection with host infection patterns can improve surveillance of diseases involving environmental transmission, particularly where direct host sampling is logistically challenging. This approach enables the identification of areas of elevated transmission risk and supports targeted monitoring and management under ...
Ananda Brito de Assis, David Rodriguez, Wesley J. Neely, Carla Martins Lopes, Paula R. Prist, Carlos Arturo Navas, Renato A. Martins, Shannon Buttimer, Célio Fernando Baptista Haddad, C. Guilherme Becker   +9 more
wiley   +1 more source

Reduced fecundity associated with Wolbachia infection in a Neotropical drosophilid Redução da fecundidade associada à infecção por Wolbachia em um drosofilídeo Neotropical

Ecological Entomology, Volume 51, Issue 3, Page 475-488, June 2026.
Using multiple infected and uninfected Drosophila sturtevanti lines, we investigated (i) the impact of Wolbachia on fecundity and (ii) its effects relative to antibiotic treatment. Based on over 1680 dissected ovaries, fecundity was similar between infected and uninfected flies.
Letícia Carlesso de Paula Sena, Marina Magalhães Moreira, Luísa de Paula Bouzada Dias, Jhonny José Magalhães Guedes, Karla Suemy Clemente Yotoko   +4 more
wiley   +1 more source