Effects of restricted feeding with fermented whole-crop barley and wheat on the growth performance, nutrient digestibility, blood characteristic, and fecal microbiota in finishing pigs

Abstract

A total of 80 pigs [(Landrace × Yorkshire) × Duroc] with an average body weight of 72.9 ± 2.6 kg were used in the present study to investigate the effects of fermented whole crop wheat and barley with or without supplementing inoculums throughout the restricted feeding in finishing pigs. There were 4 replicate pens per treatment. Pigs were fed ad libitum throughout the experiment as the control (CON), and the other four groups were restricted to 10% in the CON diet and fed ad libitum fermented whole crop cereals: fermented whole crop barley with inoculums; fermented whole crop barley without inoculums; fermented whole crop wheat with inoculums; and fermented whole crop wheat without inoculums. During the entire experiment, the average daily feed intake (ADFI) decreased in the fermented barley and fermented wheat groups compared to the CON, while no difference was observed in the average daily gain (ADG), feed efficiency (gain : feed ratio, G : F) between the control and fermented whole crop barley, wheat diet group. Dry matter and nitrogen digestibility did not show a significant difference among the treatments. In the blood constituents, concentrations of blood urea nitrogen were significantly lower in pigs fed fermented whole crop barley without inoculum diets compared with the other treatments. In conclusion, restricted feeding with fermented whole crop barley and wheat regardless of the supplementing inoculums showed no significant difference in growth performance compared to the CON. This suggests that there is a possibility that fermented whole crop barley and wheat could replace part of the conventional diets. OPEN ACCESS Accepted: September 5, 2018 Revised: August 10, 2018 Received: June 20, 2018 DOI: Citation: CH Lee, HB Kim, JH Ahn, HJ Jung, W Yun, JH Lee, WG Kwak, HJ Oh, SD Liu, JS An, TH Song, TI Park, DW Kim, DJ Yu, MH Song, JiH Cho. 2018. Effects of restricted feeding with fermented whole-crop barley and wheat on the growth performance, nutrient digestibility, blood characteristic, and fecal microbiota in finishing pigs. Korean Journal of Agricultural Science. https:// doi.org/10.7744/kjoas.20180064 pISSN : 2466-2402 eISSN : 2466-2410 Effects of restricted feeding with fermented whole-crop barley and wheat on the growth performance, nutrient digestibility, blood characteristic, and fecal microbiota in finishing pigs Korean Journal of Agricultural Science 45(4) December 2018 666