The effect of dietary energy source on performance and nutrient digestibility in growing pigs

• Autorzy: Ball M. E. E. , Magowan E. , Beattie V. E. , McCracken K. J. , Henry W. , Smyth S. , Bradford R. , Gordon F. J. , Mayne C. S.
• Języki publikacji: EN

Abstrakty

EN

Seven experimental diets were formulated: basal diet (A) to which 19 g/kg (B), 38 g/kg (C), 58 g/kg (D) and 76 g/kg (E) vegetable oil blend was added. Diets F and G were barley- and maize-based diets. Study 1 used 14 pigs to determine total tract digestibility and digestible energy (DE) content. The basal diet contained: g/kg: barley 250, wheat 160, maize germ 65, maize gluten 50, maize gluten feed 50, wheat pollard 150, rapeseed 75, soyabean meal 163 and other ingredients 37. Study 2 used 1232 pigs on a performance trial. Digestibility coefficients were higher (P<0.001) for the cereal-based diets. Liveweight gain was highest (P<0.05) for pigs offered cereal-based diets but feed conversion efficiency (FCR) was similar compared with values obtained from pigs offered by-product-based diets plus oil. There was a significant (P<0.001) linear effect on FCR but not for DE:gain, with increasing oil addition. In conclusion, supplementation of by-product-based diets with oil increased DE to similar levels as cereal-based diets. However, cereal-based diets resulted in higher levels of DE intake and liveweight gain.

Słowa kluczowe

EN

dietary energy; energy source; performance; nutrient digestibility; animal growth; pig; cereal; digestibility; oil; diet; animal feeding; feed additive

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2010
• Tom: 19
• Numer: 3
• Opis fizyczny: p.408-417,ref.

Twórcy

autor

Ball M. E. E.

• Agri-Food and Biosciences Institute, Large Park Hillsborough, Co.Down BT26 6DR

autor

Magowan E.

autor

Beattie V. E.

autor

McCracken K. J.

autor

Henry W.

autor

Smyth S.

autor

Bradford R.

autor

Gordon F. J.

autor

Mayne C. S.

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