Effects of liquid feeding of corn condensed distiller's solubles and whole stillage on growth performance, carcass characteristics, and sensory traits of pigs

作     者：Xiaojian Yang Carissa Nath Alan Doering John Goihl Samuel Kofi Baidoo 

作者机构：Southern Research and Outreach CenterUniversity of MinnesotaWasecaMN 56093USA Agricultural Utilization and Research InstituteMarshallMN 56258USA Agricultural Utilization and Research InstituteWasecaMN 56093USA Agri-Nutrition ServicesInc.ShakopeeMN 55379USA Department of Animal ScienceUniversity of MinnesotaSt.PaulMN 55108USA 

出 版 物：《Journal of Animal Science and Biotechnology》 (畜牧与生物技术杂志（英文版）)

年 卷 期：2017年第8卷第2期

页      面：467-477页

核心收录：

学科分类：090502[农学-动物营养与饲料科学] 083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 0905[农学-畜牧学] 08[工学] 09[农学] 

基　　金：Financial support from Minnesota Pork Board,Agricultural Utilization and Research Institute Minnesota Corn Growers Association is greatly appreciated 

主　　题：Carcass Condensed distiller's solubles Liquid feeding Performance Pig Whole stillage 

摘      要：Background： The immense growth in global bioethanol production has greatly increased the supply of by-products such as whole stillage and condensed distiller＇s solubles, which could be potentially used for animal feeding. The objective of this study was to investigate effects of liquid feeding high levels of corn condensed distiller＇s solubles（CCDS） and whole stillage（CWS） on growth performance, carcass characteristics, belly firmness and meat sensory traits of ***： A total of 256 pigs were blocked by sex and initial BW（13.5 ± 2.5 kg）, and pens of pigs（8 pigs/pen） were randomly allocated to 1 of 4 dietary treatments（8 pens/treatment）： 1） corn-soybean meal based diet as control, 2） 25%CWS ＋ 5% CCDS, 3） 19.5% CWS ＋ 10.5% CCDS, and 4） 19.5, 26, and 32.5% CWS ＋ 10.5, 14, and 17.5% CCDS in phases 1（28 d）, 2（38 d）, and 3（60 d）, respectively. Inclusion levels of CCDS and CWS for Treatments 1, 2, and 3 were fixed during all the three phases of the experiment. Inclusion levels of CWS and CCDS were on 88% dry matter basis. The liquid feeding system delivered feed from the mixing tank to feed troughs by high-pressure air, had sensors inside feed troughs, and recorded daily feed intake on the basis of a reference feed intake curve. The pigs were fed 5 to 10 times per day with increasing frequency during the ***： Control pigs had greater（P 0.10） dressing percentage, loin muscle depth, and lean percentage were observed among the four treatments. Inclusion of CWS and CCDS reduced（P 0.10） the overall like,flavor, tenderness and juiciness of loin chops when compared with the control ***： In conclusion, our results indicate that including 30–50% of a mixture of whole stillage and condensed distiller＇s solubles in the growing-finishing diets may reduce growth performance, carcass weight and belly firmness, but does not affect pork sensory traits.