›› 2019, Vol. 46 ›› Issue (3): 703-710.doi: 10.16431/j.cnki.1671-7236.2019.03.008

• Animal Nutrition and Feed Science • Previous Articles     Next Articles

Effect of Fermented Fruit Pomace in Diet on Growth Performance and Apparent Digestibility of Nutrient in Duhua Binary Finishing Pigs

ZHANG Ziwei, CHEN Yueli, LU Huayan, LIANG Yingdan, CHEN Cuihuai, YANG Linfang   

  1. Guangdong Yihao Indigenous Pig Research Institute Co., Ltd., Guangdong Yihao Food Co., Ltd., Zhanjiang 524000, China
  • Received:2018-09-25 Online:2019-03-20 Published:2019-03-20

Abstract:

The purpose of this experiment was to study the effects of fermented pomace on the growth performance,apparent digestibility of nutrients and the duration of feed through the digestive tract.A total of 480 Duhua binary breeding pigs (♂Duroc pig×♀Guangdong small-eared pigs) with similar body conditions were selected and randomly divided into experimental group and control group,24 replicates per group,10 pigs per replicate.The control group was fed with the basal diet,and the experimental group was fed with the basal diet,and 5% to 20% of the fermented pomace was added according to the growth stages of the pig.The feeding trial lasted for 5 months.The results showed that in the piglet stage (25 to 60 kg stage,adding 5% to 10% fermented pomace),the average daily gain did not affect,the test group's full-price feed intake decreased by 6.12% (P>0.05),and the F/G decreased 5.57% (P>0.05).In the middle pig stage (60 to 80 kg stage,adding 15% fermented pomace),the average daily weight gain of the test group increased by 6.50% (P>0.05),the full-price feed intake decreased by 7.55% (P>0.05),and the F/G decreased by 12.90% (P<0.05).In the large pig stage (80 to 100 kg stage,adding 20% fermented pomace),the average daily weight gain of the test group increased by 4.69% (P>0.05),the full-price feed intake decreased by 9.50% (P>0.05),and the F/G decreased by 12.20% (P<0.05).During the whole trial period,the average daily gain of the experimental group increased by 2.08% (P>0.05),the feed intake of the full-price feed decreased by 7.47% (P>0.05),and the F/G decreased by 8.62% (P<0.05).The addition of fermented pomace could significantly improve the apparent digestibility of protein in the middle and late stages of Duhua binary fattening pigs,but the absorption of calcium and phosphorus had a decreasing trend.And it could shorten the time of the feed through the digestive tract of the Duhua binary fattening pigs in initial stage (P>0.05),but could extend the time of the feed through the digestive tract in medium and late stages (P>0.05).The results of this experiment showed that adding an appropriate amount of fermented pomace in the diet of Duhua binary fattening pigs could improve the growth performance,reduce the F/G,and to some extent,prolong the retention of feed in the digestive tract of the pig in the middle and late fattening period and promote the digestion and absorption of nutrients such as CP in the diet.

Key words: fermented fruit pomace; Duhua binary breeding pigs; growth performance; nutrient digestibility; time of feed through the digestive tract

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