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Effect of feed form and dietary protein level on growth performance and carcass characteristics of growing geese


Effect of feed form and dietary protein level on growth performance and carcass characteristics of growing geese



Poultry Science 98(2): 761-770



ISSN/ISBN: 0032-5791

PMID: 30325437

DOI: 10.3382/ps/pey445

The present study aimed to investigate the influence of feed form and the level of dietary crude protein (CP) on the growth performance and carcass traits of growing geese. A total of 180 Egyptian geese (1 wk old) were randomly divided into 9 groups (20 chicks per group). Each group was subdivided into five replicates, with 4 birds per replicate. A 3 × 3 factorial experiment was performed with 3 types of diets (pellets, crumble, and mash) and 3 levels of dietary CP (22%, 20%, and 18% during the starter period and 20%, 18%, and 16% during the finisher period). The type of feed had significant (P ≤ 0.05) effects on body weight, body weight gain (ADG), the feed conversion ratio (FCR), and the protein efficiency ratio (PER) during all experimental periods, except ADG and PER from the 8th to 12th week. Dietary CP levels had significant effects on feed consumption (FC), FCR, and PER (p < 0.05 or 0.01) except from the 1st to 7th week for FC, 8th to 12th week for FCR, and 1st to 7th week for PER. Carcass, liver, heart, dressing, and wings (%) were found to be significantly (P < 0.01) improved in geese fed pellets compared to geese fed other types of diets. Birds fed a high-CP diet featured the highest (P < 0.05) values for liver, gizzard, heart, and giblets compared to the other groups at 12 wk of age. In conclusion, the present findings show that pellet and crumble feed are better than mash feed for promoting the growth of growing geese from the 1st to 12th week of age. The optimal dietary CP requirements for growing geese from the 1st to 7th and 8th to 12th weeks of age are 18% and 16%, respectively.

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Accession: 065764915

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