Notice of RetractionEffects of Betaine on Growth Performance and Carcass Characteristics in Jinhua Barrows

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

The objective of this study was to investigate effects of dietary betaine supplementation on growth performance, carcass characteristics and serum metabolites in Jinhua barrows. Fifty-four purebred Jinhua barrows weighing about 45 kg were divided into three groups, each group has three replicates with six barrows in each replicate, and fed corn-soybean meal basal diets supplemented with 0, 0.125% and 0.250% betaine for 45 days. At trial termination, two pigs weighing about 67 kg were selected from each replicate and slaughtered for analyses. The results were that increased daily gain, decreased gain/feed ratio were observed in betaine-treated groups (P<;0.05). Carcass lean percentage and Longissimus muscle area were significantly increased, meanwhile, carcass fat percentage and average backfat thickness were significantly decreased in betiane-contamined groups (P<;0.05). Serum urea nitrogen and TG concentrations were significantly decreased, however, total protein and serum FFA concentrations were significantly increased in betaine-treated groups (P<;0.05). These results indicated that betaine of feed could increased growth performance, improve carcass characteristics and serum metabolites in Jinhua barrows.