Naked oats: metabolisable energy yield from a range of varieties in broilers, cockerels and turkeys

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dc.contributor.author Macleod, M. G.
dc.contributor.author Valentine, J.
dc.contributor.author Cowan, A. A.
dc.contributor.author Wade, A.
dc.contributor.author McNeill, L.
dc.contributor.author Bernard, K.
dc.date.accessioned 2009-05-21T10:57:08Z
dc.date.available 2009-05-21T10:57:08Z
dc.date.issued 2008-05-01
dc.identifier.citation Macleod , M G , Valentine , J , Cowan , A A , Wade , A , McNeill , L & Bernard , K 2008 , ' Naked oats: metabolisable energy yield from a range of varieties in broilers, cockerels and turkeys ' British Poultry Science , vol 49 , no. 3 , pp. 368-377 . , 10.1080/00071660802094164 en
dc.identifier.issn 1466-1799
dc.identifier.other PURE: 102310
dc.identifier.other dspace: 2160/2297
dc.identifier.uri http://hdl.handle.net/2160/2297
dc.description Macleod, M. G., Valentine, J., Cowan, A. A., Wade, A., McNeill, L., Bernard, K. (2008). Naked oats: metabolisable energy yield from a range of varieties in broilers, cockerels and turkeys. British Poultry Science, 49, (3), pp. 368-377 IMPF: 01.13 RONO: 1320 5800 en
dc.description.abstract 1. Naked oats belong to the same species as 'common oats', Avena sativa, but have a non-lignified husk which readily becomes detached during harvesting. The absence of the indigestible husk can be predicted to give an increased metabolisable energy (ME) content for poultry. 2. Measurements of true metabolisable energy (TMEN) were performed on 3-week-old broiler chicks (Cobb males), adult cockerels (ISA Brown, greater than one year old) and 7-week-old turkeys (BUT T8 males). The measurements were repeated in 2000, 2001 and 2002, with some measurements on a subset of varieties in 2004. 3. High-oil naked oat lines yielded 12% more energy (TMEN) than wheat. Naked oats, excluding the experimental high-oil lines, yielded 8·5% more energy than simultaneously assayed wheat samples. 4. In samples from the 2004 harvest, conventional oats gave TMEN values about 13% lower than those of wheat. 5. The addition of β-glucanase produced an increase of about 4% in the apparent metabolisable energy (AME) of oats for broiler chickens. This effect was associated with a 70% decrease in the jejunal viscosity of broilers receiving a 500 g/kg naked-oat diet. 6. The oil content of naked oats was about 5 times greater than that of wheat, with the high-oil lines rising to more than 6 times greater. Naked oats had a lower starch content than wheat but not sufficiently lower to negate the energy benefits of the higher oil content. The crude protein (CP) contents of naked oats were similar to those of wheat, with the high-oil varieties tending to be higher in CP also. en
dc.format.extent 10 en
dc.language.iso eng
dc.relation.ispartof British Poultry Science en
dc.title Naked oats: metabolisable energy yield from a range of varieties in broilers, cockerels and turkeys en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1080/00071660802094164
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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