Results 1 to 10 of about 122,363 (155)
Efeito da adição de teores crescentes de ureia na cana-de-açúcar em dietas de vacas em lactação sobre a produção e composição do leite e viabilidade econômica [PDF]
Avaliou-se o efeito da adição de teores crescentes de ureia (0,0; 0,5 e 1,0%) na matéria natural da cana-de-açúcar sobre a produção e composição do leite, eficiência alimentar e viabilidade econômica.
R.C. Souza +6 more
doaj +3 more sources
The objective of this work was to evaluate performance, efficiency parameters and phenotypic correlations among measurements of energy efficiency of Nellore cattle selected for post weaning weight and classified according to residual feed intake ...
T. Lucila Sobrinho +6 more
doaj +1 more source
O presente estudo teve como objetivo avaliar o efeito da inclusão da farinha de vísceras de aves em dietas para alevinos de tilápia do Nilo, sobre o crescimento heterogêneo (CHet) e desempenho zootécnico.
Misleni Ricarte de Lima +4 more
doaj +1 more source
Objetivou-se avaliar as características de desempenho, consumo e eficiência alimentar de touros Purunã em crescimento de três classes de consumo alimentar residual (CAR): eficiente, intermediária e ineficiente.
S.R. Fernandes +6 more
doaj +1 more source
Associação entre eficiência alimentar e ganho em acabamento de carcaça de bovinos da raça Nelore [PDF]
RESUMO Objetivou-se estimar a associação fenotípica entre a eficiência alimentar e o ganho em acabamento de carcaça de touros jovens da raça Nelore. Utilizaram-se informações de 98 touros jovens da raça Nelore, participantes de duas provas de eficiência ...
M.M.A. Gomes +5 more
doaj +2 more sources
Two Nellore herds were compared, one selected for greater postweaning weight and the other, control, selected for average postweaning weight, to evaluate the effects of 29 years of selection on feed efficiency.
André Michel de Castilhos +5 more
doaj +1 more source
Abstract Levucell® SC is the trade name for a feed additive based on viable cells of a strain Saccharomyces cerevisiae. The product is currently authorised for use in feed for horses, lambs, dairy sheep and dairy goats, dairy cows and cattle for fattening. This opinion concerns the renewal of the authorisation of Levucell® SC as a zootechnical additive
EFSA Panel on Additives and Products or Substances used in Animal Feed (EFSA FEEDAP Panel) +18 more
wiley +1 more source
Plant breeding links the research effort with commercial mass upscaling. The authors’ assessment of development status of the four species is shown (poplar having two: one for short rotation coppice (SRC) poplar and one for the more traditional short rotation forestry (SRF)). Mass scale deployment needs developments outside the breeding arenas to drive
John Clifton‐Brown +58 more
wiley +1 more source
Abstract Levucell® SC is the trade name for a feed additive based on viable cells of a strain Saccharomyces cerevisiae. The product is currently authorised for use in feed for horses, lambs, dairy sheep, dairy goats, dairy cows and cattle for fattening.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) +23 more
wiley +1 more source
Ingestive behavior of Guzerat and Sindhi heifers under the effects of feed restriction=Comportamento ingestivo de novilhas Guzerá e Sindi sob efeito de restrição alimentar [PDF]
This study aimed to evaluate the effect of feed restriction on the ingestive behavior of Guzerat and Sindhi heifers. A total of 36 heifers were used, 18 from each breed, randomly distributed in a completely randomized design, in a 2 x 3 factorial scheme.
Gherman Garcia Leal de Araujo +5 more
doaj +1 more source

