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Protein supply in o...
Protein supply in organic broiler diets
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- Eriksson, Maria (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjurens utfodring och vård (HUV),Department of Animal Nutrition and Management
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- Elwinger, Klas (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjurens utfodring och vård (HUV),Department of Animal Nutrition and Management
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(creator_code:org_t)
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- Informa UK Limited, 2009
- 2009
- Engelska.
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Ingår i: Acta Agriculturae Scandinavica, Section A - Animal Science. - : Informa UK Limited. - 0906-4702 .- 1651-1972. ; 59, s. 211-219
- Relaterad länk:
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Organic feed legislation, long-rearing periods and high requirements of sulphur-rich amino acids (AAs) complicate the composition of a well-balanced organic diet for broilers. To evaluate the effect of protein and AA composition, three different diets were fed to 180 Ross broilers, divided over 45 pens. The diets comprised a low crude protein (CP) and AA diet, a high CP diet aiming at AA levels used in conventional production and a low protein diet supplemented with lysine, methionine and threonine up to levels of the high protein diet. Chickens were immunologically challenged with an inactivated infectious bursal disease (IBD) vaccine; antibody titres, heterophil/lymphocyte (H/L) ratios, lymphoid organ weights and digestibility coefficients were recorded. In general, bird performance improved with increasing dietary CP and AA levels. Dietary treatments did not significantly affect any of the measured immune or stress-related parameters.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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