Evaluation of Dietary Hydrolyzed Barley on Growth Performance, Nutrient Digestibility, Blood Characteristic, and Meat Quality in Finishing Pigs

Lei Yan and I.H. Kim

Journal of Agricultural Science, 2012, vol. 4, issue 12, 285

Abstract: A total of 144 [(Duroc × Yorkshire) × Landrace] pigs with an average initial BW of 61.8±1.04 kg were used in this 70-d growth experiment. Pigs were allotted to 4 treatments based on their initial BW using a randomized complete block design. Each treatment consisted of 9 replications (pen) with 4 pigs per pen (2 gilts and 2 barrows). Dietary treatments were- 1) V0, 0% hydrolyzed barley (HB) and 30% de-hulled barley (DB); 2) V1, 10% HB and 20% DB; 3) V2, 20% HB and 10% DB; and 4) V3, 30% HB and 0% DB. In this study, our analyzed data suggested that hydrolyzed barley increased the energy and CP concentration by 50.65% and 18%, respectively, compared with the de-hulled barley. In the feeding trail, Pigs fed the V2 and V3 treatment diet increased (P<0.05) the N digestibility compared with the V0 treatment at the end of 5 week. An increased (P<0.10) tendency was also observed on the energy and nitrogen digestibility at the end of 5 week and 10 week, respectively. Moreover, pigs fed the HB diet tend to increase (P<0.10) the average daily gain (ADG) and average daily feed intake (ADFI). The inclusion of V3 treatment decreased (P<0.05) the blood cholesterol compared with those contain DB. Dietary V3 treatment led to a higher (P<0.05) WHC than the V0 and V1 treatment. Pigs fed V2 and V3 treatment decreased (P<0.05) L* value compared with DB diet. In conclusion, the inclusion of hydrolyzed barley could improve the meat quality without any negative effect on the growth performance and nutrient digestibility, which provide a strong indication that hydrolyzed barley could be used as a good energy source for swine.

Date: 2012
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