Effects of Exogenous 6-Phytase (EC 3.1.3.26) Supplementation on Performance, Calcium and Phosphorous Digestibility, and Bone Mineralisation and Density in Weaned Piglets
Ver/Abrir
Autor/a
Font-i-Furnols, Maria
Ader, Peter
Fecha de publicación
2021-06-15ISSN
2076-2615
Resumen
Phosphorus (P) is an essential mineral for growing piglets, which is poorly accessible in vegetable feedstuffs as it is stored as phytates. Thus, phytase supplementation is essential to increase P availability. Two experiments were conducted to evaluate a novel 6-phytase (EC 3.1.3.26) in weaned pigs fed low-P diets. In each experiment, one hundred and twenty piglets were fed a positive control (PC; adequate in Ca and P), a negative control (NC; limiting in Ca and P), or NC supplemented with 125, 250, or 500 FTU/kg of phytase (NC125, NC250, and NC500, respectively). P content was lower in diets of Experiment 1 than diets of Experiment 2. In Experiment 1, piglets offered PC or phytase diets had higher growth and efficiency compared with NC diets. In Experiment 2, similar effects were obtained, but the effects were less significant. In both experiments, P and Ca ATTD and bone density were significantly increased with phytase supplementation. Moreover, PC and NC500 had higher P concentrations and lower alkaline phosphatase activity in plasma than NC. To conclude, supplementation with the new 6-phytase at doses up to 500 FTU/kg enhanced P utilization, growth performance, and bone density in piglets fed P-limiting diets.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
636 - Explotación y cría de animales. Cría del ganado y de animales domésticos
Páginas
14
Publicado por
MDPI
Publicado en
Animals
Citación
Tous, Núria, Joan Tarradas, Maria Francesch, Maria Font-i-Furnols, Peter Ader, and David Torrallardona. 2021. "Effects Of Exogenous 6-Phytase (EC 3.1.3.26) Supplementation On Performance, Calcium And Phosphorous Digestibility, And Bone Mineralisation And Density In Weaned Piglets". Animals 11 (6): 1787. doi:10.3390/ani11061787.
Program
Nutrició Animal
Qualitat i Tecnologia Alimentària
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