Effects of Dietary Betaine Addition on Blood Routine Indexes and Organ Growth of Bama Mini-Pigs

SONG Mingtong; ZHU Qian; MA Wenqiang; GAO Qiankun; YIN Fugui; HAN Qiang; KONG Xiangfeng

doi:10.3969/j.issn.1006-267x.2020.04.051

Chinese Journal of Animal Nutrition >

2020 , Vol. 32 >Issue 4: 1908 - 1915

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.04.051

Effects of Dietary Betaine Addition on Blood Routine Indexes and Organ Growth of Bama Mini-Pigs

SONG Mingtong ,
ZHU Qian ,
MA Wenqiang ,
GAO Qiankun ,
YIN Fugui ,
HAN Qiang ,
KONG Xiangfeng

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1. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutrition Physiology and Metabolism Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
2. College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China;
3. Shandong Xiangweisi Biotechnology Co., Ltd., Weifang 261000, China

Received date: 2019-10-08

Online published: 2020-04-16

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Abstract

The present study was conducted to determine the effects of dietary betaine addition on blood routine indexes and organ growth of of Bama mini-pigs. Twenty-six pregnant Bama mini-pigs with similar body condition were selected and radomly divided into 2 groups, 12 sows in the control group were fed a basal diet, and 14 sows in the experimental group were fed the basal diet supplemented with 3.5 kg/t betaine. The piglets were weaned at 28 days of age and adapted for 7 days, and then 4 weaned piglets with average body weight were selected from each litter, they were randomly divided into 2 groups (2 piglets per group), and 2 piglets from 2 litters in control group or experimental group were combined into 1 pen. There were 12 pens in the control group and 7 pens in the sow addition group, which were fed the basal diets; and 7 pens in sow-offspring addition group were fed the basal diet supplemented with 2.5 kg/t betaine. At 95 and 125 days of age of offspring pigs, one Bama mini-pig with an average body weight was selected per pen, blood samples were collected from the anterior vena cava for measuring blood routine indexes. After sacrificed, the heart, liver, spleen, lung, kidney, and stomach were weighed for calculating organ indexes. The results showed that compared with the control group, at 95 days of age, the eosinophils count (EOS), body weight, spleen weight and spleen index in sow-offspring addition group were significanltly increased (P<0.05), while the mean platelet volume (MPV) was significanltly decreased (P<0.05); at 125 days of age, the basophils percentage (BAS%), body weight, heart weight, liver weight, spleen weight, kidneys weight and stomach weight and liver index werer significanltly increased (P<0.05). Compared with the sow addition group, the body weight, heart weight, liver weight, spleen weight and kidneys weight of the sow-offspring addition group werer significanltly increased at 95 days of age (P<0.05), as well as the heart weight, liver weight, kidneys weight, stomach weight and liver index at 125 days of age (P<0.05). In conclusion, the betaine addition in pregnant sows and their offspring diets can affect the EOS, BAS% and MPV in blood, improve the body weight, and promote the organ growth.

Key words： betaine; Bama mini-pigs; blood routin indexes; organ growth

Cite this article

SONG Mingtong , ZHU Qian , MA Wenqiang , GAO Qiankun , YIN Fugui , HAN Qiang , KONG Xiangfeng . Effects of Dietary Betaine Addition on Blood Routine Indexes and Organ Growth of Bama Mini-Pigs[J]. Chinese Journal of Animal Nutrition, 2020 , 32(4) : 1908 -1915 . DOI: 10.3969/j.issn.1006-267x.2020.04.051

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