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Uso do NIRS como ferramenta de diagnóstico nutricional de animais mantidos em pastagem natural
(Universidade Federal de Santa Maria, 2016-02-25)
The prediction of voluntary feed intake and digestibility of heterogeneous forages in
rangeland is a challenge for researchers and technicians. The objective of this study was to
develop models to predict the organic ...
Suplementação com ferro injetável em cordeiros infectados experimentalmente por Haemonchus contortus
(Universidade Federal de Santa Maria, 2016-02-23)
Gastrointestinal worms are the main obstacle in the production of sheep. The helminth Haemonchus contortus is the species that most parasites sheep in Brazil. It is located in the abomaso of the host and has a habit of ...
Suplementação mineral no manejo reprodutivo
(Universidade Federal de Santa Maria, 2012-12-21)
The effect of mineral supplementation on pregnancy rate after synchronization with
progestagen and fixed time artificial insemination (FTAI) was evaluated in no pregnant or
barren Australian Merino sheep (n = 260) in ...
Perfil oxidativo, hematologia e interação mineral em cordeiros suplementados com altas doses de ferro
(Universidade Federal de Santa Maria, 2010-07-23)
The aims of this study were to assess the hematological response, erythrocyte membrane lipoperoxidation, antioxidant status and the mineral interaction in lambs supplemented with iron. In the first study, the oxidative ...
Perfil oxidativo de cordeiros infectados por Haemonchus contortus e tratados com edetato de zinco
(Universidade Federal de Santa Maria, 2014-12-22)
The emergence of parasite resistance to most classes of anthelmintics, as well as the difficulty of controlling Haemonchus contortus infection, are among the main problems faced in the sheep farming industry. Alternative ...
Qualidade da carne e desempenho de cordeiros suplementados com óleos essenciais
(Universidade Federal de Santa Maria, 2013-11-07)
With increasing concerns for human health with the use of antibiotics, chemicals and unwanted fats intake, awakens the need for new ways to maintain the efficiency of modern livestock. The objective of this study was to ...
Parâmetros imunoparasitológicos de cordeiros naturalmente infectados por Haemonchus spp., Teladorsagia spp. e Trichostrongylus spp.
(Universidade Federal de Santa Maria, 2016-03-10)
In the context of the current sheep-rearing, control of parasitic infection establishes a constant challenge to producers, because the gastrointestinal parasites have high prevalence in flocks, highly pathogenic and frequents ...
Resposta imune de cordeiros infectados experimentalmente com Haemonchus contortus e tratados com associação de zinco e cobre injetáveis
(Universidade Federal de Santa Maria, 2014-02-28)
In the sheep industry, one of the biggest problems faced is the worms; among gastrointestinal helminths affecting sheep in Brazil, Haemonchus contortus species is most prevalent and pathogenic. Studies have been conducted ...
Função endócrina do interferon-tau durante o reconhecimento materno da gestação em ovinos
(Universidade Federal de Santa Maria, 2010-06-09)
The objective of the present study is to evaluate interferon-tau (IFNT) endocrine
action in extra uterine tissues. The first approach consists of collecting samples from ewes on
days 12, 13, 14 and 15 of the estrous cycle ...
Avaliação de indicadores de adaptação à mudanças dietéticas em ruminantes
(Universidade Federal de Santa Maria, 2013-12-19)
Two in vivo digestibility assays with sheep were conducted to evaluate the impact of diet changing on nutritional variables, including voluntary intake, digestibility and ruminal fermentation, as well as to stablish the ...