Grain grinding size of cereals in complete pelleted diets for growing lambs: Effects on animal performance, carcass and meat quality traits.
Meat Sci
; 157: 107874, 2019 Nov.
Article
em En
| MEDLINE
| ID: mdl-31247383
The main goal of the present study was to clarify the effects of different grinding particle size of grains (2-mm vs. 6-mm) included in complete pelleted diets (CPD) for fattening lambs on animal performance, carcass and meat quality. Twenty male merino lambs (14.8â¯kg; nâ¯=â¯10 per group) were fed the corresponding diet ad libitum and slaughtered when they reached 27â¯kg. No differences were observed in the feed conversion ratio or carcass characteristics. However, lambs fed coarser diets (6â¯mm) were more efficient with less residual feed intake (-14.0 vs. 15.4â¯g DM/animal/d; Pâ¯<â¯.05) than lambs fed the 2â¯mm CPD. Lambs fed the 6-mm CPD showed higher levels of intramuscular fat and saturated fatty acids. Consequently, increasing the particle size of the grains included in CPD allows for improving feed efficiency and intramuscular fat in fattening lambs.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Tamanho da Partícula
/
Carne Vermelha
/
Ração Animal
Limite:
Animals
Idioma:
En
Revista:
Meat Sci
Assunto da revista:
CIENCIAS DA NUTRICAO
Ano de publicação:
2019
Tipo de documento:
Article