Results 51 to 60 of about 103,705 (269)

Seção Pequenos Ruminantes

open access: yesScience And Animal Health, 2016
Seção Pequenos Ruminantes: páginas 152 a 214.
openaire   +2 more sources

Early synapsids neurosensory diversity revealed by CT and synchrotron scanning

open access: yesThe Anatomical Record, EarlyView.
Abstract Non‐mammaliaform synapsids (NMS) represent the closest relatives of today's mammals among the early amniotes. Exploring their brain and nervous system is key to understanding how mammals evolved. Here, using CT and Synchrotron scanning, we document for the first time three extreme cases of neurosensory and behavioral adaptations that probe ...
J. Benoit   +6 more
wiley   +1 more source

Resistência de Haemonchus placei, Cooperia punctata e Oesophagostomum radiatum à ivermectina pour-on a 500mcgkg-1 em rebanhos bovinos no Brasil

open access: yesCiência Rural, 2014
O amplo espectro de ação dos endectocidas e a praticidade de aplicação das suas formulações pour-on são fatores que têm estimulado uma maior frequência de utilização destes produtos na criação de bovinos.
Welber Daniel Zanetti Lopes   +11 more
doaj   +1 more source

Plantas tóxicas para ruminantes do Sudoeste de Goiás

open access: yes, 2014
The aim of this study was to investigate the toxic plants for ruminants in the Southwestern region of Goias State, Brazil. 108 people (farmers, veterinarians, zootecnists and agronomists) from 18 counties were interviewed.
Fabiano José Ferreira de Sant'Ana   +6 more
semanticscholar   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Parâmetros sanguíneos e morfométricos de bovinos submetidos à prova do laço comprido

open access: yesMedicina Veterinária, 2020
O estudo teve por objetivo avaliar os parâmetros sanguíneos e morfométricos em bovinos submetidos à prova de laço comprido. Foram utilizados 45 machos, Nelorados, divididos em três grupos: animais que participaram da prova do laço comprido (PLCO ...
Dalton Mendes Oliveira   +5 more
doaj  

Consumo e digestibilidade em ovinos alimentados com dietas contendo grão de milho moído, inteiro ou tratado com uréia, com três níveis de concentrado Food intake and digestibility by sheep fed diets containing ground, whole or urea treated whole corn grains at three concentrate levels

open access: yesCiência Rural, 2007
Este estudo foi conduzido usando grão de milho moído, inteiro ou inteiro tratado com uréia, na preparação de dietas contendo 30; 50 ou 70% de concentrado.
Ivonir Taschetto Bolzan   +6 more
doaj   +1 more source

ASPECTOS NUTRICIONAIS DA UTILIZAÇÃO DA PROTEÍNA PELOS RUMINANTES

open access: yes, 2014
Objetivou-se com esta revisao de literatura abordar o uso das fontes de proteinas degradaveis e nao degradaveis no rumen, assim como a utilizacao de compostos nitrogenados nao proteicos, na nutricao de ruminantes. A nutricao animal revela-se como alvo de
Paola Rezende Ribeiro   +2 more
semanticscholar   +1 more source

In‐vitro puncture experiment using alligator teeth tracks the formation of dental microwear and its association with hardness of the diet

open access: yesThe Anatomical Record, EarlyView.
Abstract With the development of dental microwear texture analysis (DMTA), there has been an increasing application of DMTA for dietary estimation in extant and fossil reptiles, including dinosaurs. While numerous feeding experiments exist for herbivorous mammals, knowledge remains limited for carnivorous reptiles. This study aimed to qualitatively and
K. Usami, M. O. Kubo
wiley   +1 more source

Impact of dietary manipulation on nutrient flows and greenhouse gas emissions in cattle Impacto da manipulação dietética sobre os fluxos de nutrientes e as emissões de gases de efeito estufa na pecuária

open access: yesRevista Brasileira de Zootecnia, 2010
The growing global demand for meat and particularly in countries such as Brazil is expected to increase intensive animal production. Consequently the main pollutants of interest are nitrogen (N), phosphorus (P) and greenhouse gases (GHG). Nitrogen can be
Ermias Kebreab   +4 more
doaj   +1 more source

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