Dietary glycine supplementation enhances postweaning growth and meat quality of pigs with intrauterine growth restriction.
J Anim Sci
; 1012023 Jan 03.
Article
em En
| MEDLINE
| ID: mdl-37837640
About 1520% of pigs are born naturally with low birth weights (<1.1 kg) due to intrauterine growth restriction (IUGR). These pigs are often culled after birth because they have lower growth performance and feed efficiency during the production period from weaning to market weight, compared with litter mates with normal birth weights (NBW). In many countries and regions (including North America, South America, and Asia), postweaning pigs are generally fed corn- and soybean meal-based diets that contain relatively a low amount of glycine. Glycine is the most abundant amino acid in the plasma and tissue proteins of pigs but may not be formed adequately from other amino acids in the body, particularly IUGR pigs that are now known to have an impaired ability for glycine synthesis. Results of the present study indicate that IUGR pigs fed conventional corn-SBM-based diets had lower concentrations of glycine in plasma and tissues (including skeletal muscle), compared with NBW litter mates. Dietary supplementation with 1% glycine improved the growth performance, feed efficiency, and meat quality of IUGR pigs. This simple nutritional means is expected to enhance the productivity of the global swine industry.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Doenças dos Suínos
/
Retardo do Crescimento Fetal
Limite:
Animals
Idioma:
En
Revista:
J Anim Sci
Ano de publicação:
2023
Tipo de documento:
Article