Metabolic and microbial responses in western crossbred and Meishan growing pigs fed a high-fiber diet

Journal of Animal Science
J T YenJ A Nienaber

Abstract

Four Duroc x White composite crossbred (21.8 +/- 1.0 kg BW) and four 12-wk-old Meishan purebred (20.7 +/- 1.6 kg BW) growing barrows were used to determine the relative breed differences in metabolic and microbial responses to a high-fiber diet. The pigs were trained to consume 700 g of a diet containing 35% (as-fed basis) dehydrated alfalfa meal once daily. The pigs' daily intakes of DM, N, GE, NDF, and ADF were 610 g, 16.6 g, 2.64 Mcal, 150 g, and 88 g, respectively. On d 12 after surgical catheterization of the portal vein, ileal vein, and carotid artery, a 3-d total urine and feces collection was conducted. On d 24 after surgery, each pig was placed in an open-circuit calorimeter, and its catheters were connected to a system for simultaneous measurements of oxygen consumption by portal-drained viscera and by whole body, and the net portal absorption of VFA after a 24-h fasting and during a 5-h postprandial period. The VFA measured included acetic, propionic, isobutyric, butyric, isovaleric, and valeric acids. A second 3-d total urine and feces collection was conducted on d 30 after surgery. There were no differences (P = 0.13) between the first and second collections in apparent total-tract digestibility coefficients for nu...Continue Reading

References

Apr 1, 1989·Proceedings of the Society for Experimental Biology and Medicine·J T YenW G Pond
Oct 23, 1997·Journal of Animal Science·V H Varel, J T Yen

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Citations

Apr 11, 2009·Zoo Biology·Marcus ClaussAnton C Beynen
Sep 29, 2009·Journal of Animal Science·T E WeberB J Kerr
Jan 12, 2010·Tropical Animal Health and Production·Michael ChimonyoCletos Mapiye
Sep 20, 2011·Journal of Animal Science·T E Weber, B J Kerr
Feb 13, 2013·Journal of Animal Science·L Gonzalez-ValeroI Fernandez-Figares
Apr 11, 2015·Journal of the Science of Food and Agriculture·Lucrecia González-ValeroIgnacio Fernández-Fígares
Dec 28, 2016·Animal Science Journal = Nihon Chikusan Gakkaihō·Peng Hui ChengXin Di Liao
May 5, 2016·Journal of the Science of Food and Agriculture·María Luz Rojas-CanoIgnacio Fernández-Fígares
May 25, 2021·Animal : an International Journal of Animal Bioscience·M LachicaI Fernández-Fígares

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