Results 21 to 30 of about 140,358 (326)
Mathematical modelling in animal nutrition: a centenary review [PDF]
, 2008 A centenary review presents an opportunity to ponder over the processes of concept development and give thought to future directions. The current review aims to ascertain the ontogeny of current concepts, underline the connection between ideas and people
A. DUMAS +95 more
core +2 more sources
Revista Brasileira de Zootecnia, 2009 Objetivou-se verificar o efeito da adição do complexo enzimático (CE) sobre o desempenho e o metabolismo de poedeiras. Foram utilizadas 216 poedeiras da linhagem Bovans Goldline, distribuídas em delineamento experimental inteiramente casualizado, com 12 ...
Maurício Tárcio dos Santos Viana +5 more
doaj +1 more source
Effects of concentrate crude protein content on nutrient digestibility, energy utilization, and methane emissions in lactating dairy cows fed fresh-cut perennial grass [PDF]
, 2016 Although many studies have investigated mitigation strategies for methane (CH4) output from dairy cows fed a wide variety of diets, research on effects of concentrate crude protein (CP) content on CH4 emissions from dairy cows offered fresh grass is ...
Gordon, Alan +3 more
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Pesquisa Agropecuária Brasileira, 2010 O objetivo deste trabalho foi comparar o método de substituição com o de análise de regressão, na determinação do valor nutricional do farelo de arroz desengordurado, em dietas para suínos, nas fases de crescimento e terminação.
Marco Antônio Kunrath +5 more
doaj +1 more source
Late laying hens deposit dietary antioxidants preferentially in the egg and not in the body [PDF]
, 2017 The allocation of nutrients in the metabolism of laying hens favors the egg over the body. It is unclear whether this programming also includes micronutrients and antioxidants.
Kreuzer, M. +2 more
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Energy and protein requirements for maintenance of Texel lambs
Animal, 2019 It can be hypothesized that the body composition characteristics of different sheep breeds affect their nutritional requirements. However, no study has yet been carried out to determine the nutritional requirements for maintenance of Texel purebred lambs,
A.A. Martins +7 more
doaj +1 more source
Energy utilization models of cattle grazing in oil palm plantations II. validations of models [PDF]
, 1995 This study showed that models of energy utilization (EU) developed for grazing cattle in oil palm plantations is valid as the simulated results shows an agreement with actual data of calves and cows body weight changes collected from Brahman x Kedah ...
Ismail, Dahlan +2 more
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Dehydrated brewery residue for pigs in the growth phase under high temperature conditions
Revista Brasileira de Zootecnia, 2012 This research was developed to evaluate the nutritional, digestible (DE) and metabolizable (ME) energy values of dehydrated brewery residue (DBR) for growing pigs, as well as to evaluate the performance of these animals, subjected to five levels of DBR ...
Daniel Medeiros de Noronha Albuquerque +6 more
doaj +1 more source
Economic and environmental impacts of changes in culling parity of cows and diet composition in Japanese beef cow–calf production systems [PDF]
, 2013 The effects of changes in culling parity of cows and diet composition on economic and environmental outputs in Japanese beef cow–calf production systems were deterministically analyzed using a herd model simulation. The model simulated the annualized net
Hirooka, Hiroyuki +3 more
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Revista Brasileira de Zootecnia, 2020 We aimed to evaluate the performance, nutrient digestibility, and intestinal histomorphometry of broilers fed diet supplemented with chondroitin sulfate and glucosamine sulfate. The experiment was carried out with 320 male broiler chicks distributed in a
Julyana Machado da Silva Martins +7 more
doaj +1 more source