不同蛋白质水平日粮中添加稀土螯合物对母猪及其哺乳仔猪的影响

doi:10.16431/j.cnki.1671-7236.2020.09.017

中国畜牧兽医 ›› 2020, Vol. 47 ›› Issue (9): 2841-2848.doi: 10.16431/j.cnki.1671-7236.2020.09.017

不同蛋白质水平日粮中添加稀土螯合物对母猪及其哺乳仔猪的影响

熊奕¹, 张博¹, 沈康², 雷龙¹, 孙华³, 赵胜军¹, 任莹^1,4

1. 武汉轻工大学, 动物营养与饲料科学湖北省重点实验室, 武汉 430023;
2. 华中农业大学动物科技学院, 武汉 430070;
3. 湖北省农业科学院畜牧兽医研究所, 武汉 430064;
4. 武汉轻工大学农副产品蛋白质饲料资源教育部工程研究中心, 武汉 430023

收稿日期:2020-02-24 出版日期:2020-09-20 发布日期:2020-09-16
通讯作者: 任莹 E-mail:ranee1974@163.com
作者简介:熊奕(1996-),女,湖北应城人,硕士生,研究方向:动物营养与代谢调控,E-mail:ctt20180228@163.com
基金资助:
动物营养与饲料科学湖北省重点实验室开放课题"猪日粮营养品质评定方法的研究"（201904）；农副产品蛋白质饲料资源教育部工程研究中心资助项目"基于猪代谢葡萄糖营养指标的低蛋白日粮配制技术的研究"（DKXY2020018）

Effects of Addition of Rare Earth-chitosan Chelate to Diets at Different Protein Levels on Sows and Suckling Piglets

XIONG Yi¹, ZHANG Bo¹, SHEN Kang², LEI Long¹, SUN Hua³, ZHAO Shengjun¹, REN Ying^1,4

1. Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University, Wuhan 430023, China;
2. College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
3. Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China;
4. Engineering Research Center of Feed Protein Resources on Agricultural By-products, Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China

Received:2020-02-24 Online:2020-09-20 Published:2020-09-16

摘要/Abstract

摘要： 本试验旨在研究不同粗蛋白质（CP）水平的玉米-豆粕型日粮中添加200 g/t稀土壳糖胺螯合盐（rare earth-chitosan chelate，RECC）对围产期母猪繁殖性能及其子代生长性能的影响。选择体况良好、胎次及预产期相近、怀孕90 d的妊娠母猪共60头，采用单因子随机区组设计分为3组，每组20头母猪，每个重复1头母猪，分别是对照组（日粮CP水平17.55%，不添加RECC）、试验Ⅰ组（日粮CP水平17.00%，RECC 200 g/t）和试验Ⅱ组（日粮CP水平16.00%，RECC 200 g/t）。试验从母猪妊娠第90天开始，至仔猪21 d断奶时结束，测定母猪的产仔性能和后代哺乳仔猪的生长性能。结果表明：与对照组相比，试验Ⅰ、Ⅱ组母猪产程显著缩短（P<0.05），但总产仔数和产活仔数没有显著差异（P>0.05）；试验Ⅱ组母猪产后失重得到了显著改善（P<0.05），但断奶发情间隔无显著差异（P=0.30）；试验Ⅰ、Ⅱ组母猪哺乳期平均日采食量（ADFI）有增加趋势（P=0.08），哺乳仔猪的初生重、断奶均重及平均日增重均无显著差异（P>0.05），但腹泻率显著降低（P<0.05）。综上所述，本试验条件下，日粮中CP水平为16.00%且添加200 g/t RECC时可提高母猪繁殖性能，缩短母猪产程，减少母猪失重，同时降低哺乳仔猪腹泻率，加快仔猪增重，对母猪生产繁殖水平的提升具有重大意义。

关键词: 稀土壳糖胺螯合盐; 围产母猪; 繁殖性能

Abstract: The purpose of this experiment was to study the effects of corn-soybean meal diets with different levels of crude protein (CP) adding 200 g/t rare earth-chitosan chelate (RECC) on the reproductive performance of sows and growth performance of their offspring.A total of 60 sows at 90 days of gestation with good physical condition,parity and the expected date of birth were selected.Single-factor randomized block design was used,and sows were divided into 3 groups,20 sows in each group,1 sow each replicate.The level of diet CP and RECC were 17.55% CP,17.00% CP+200 g/t RECC and 16.00% CP+200 g/t RECC in control group,test group Ⅰ and test group Ⅱ,respectively.The test was started from the 90th day of gestation of the sow and ended at the time of weaning at 21 days.The sow litter performance and growth performance of offspring suckling piglets were studied.The final results showed that:Compared with the control group,sow's duration of the test groups Ⅰ and Ⅱ were significantly shortened (P<0.05),but the total litter size and number of born alive did not show significant difference (P>0.05).Postpartum weight loss of sows of the test group Ⅱ was significantly improved (P<0.05),but there was no significant difference in the interval from weaning to estrus (P=0.30).In addition,compared with the control group,sow's ADFI of test group Ⅰ and Ⅱ had an increasing tendency during lactation (P=0.08),and there was no significant difference in ADG,the weight of newborn and weaned piglets (P>0.05),but the diarrhea rate of suckling piglets was significantly reduced (P<0.05).In summary,under the conditions of this trial,when the CP level in the diet was 16.00% and with the addition of 200 g/t RECC,it could improve the reproductive performance of sows,shorten the sow's duration,and reduce the diarrhea rate of suckling piglets.It was of great significance to the improvement of the reproductive performance of sows.

Key words: rare earth-chitosan chelate; perinatal sow; reproductive performance

中图分类号:

S816.7

熊奕, 张博, 沈康, 雷龙, 孙华, 赵胜军, 任莹. 不同蛋白质水平日粮中添加稀土螯合物对母猪及其哺乳仔猪的影响[J]. 中国畜牧兽医, 2020, 47(9): 2841-2848.

XIONG Yi, ZHANG Bo, SHEN Kang, LEI Long, SUN Hua, ZHAO Shengjun, REN Ying. Effects of Addition of Rare Earth-chitosan Chelate to Diets at Different Protein Levels on Sows and Suckling Piglets[J]. China Animal Husbandry and Veterinary Medicine, 2020, 47(9): 2841-2848.

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不同蛋白质水平日粮中添加稀土螯合物对母猪及其哺乳仔猪的影响

Effects of Addition of Rare Earth-chitosan Chelate to Diets at Different Protein Levels on Sows and Suckling Piglets

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