饲粮维生素D添加形式对公猪繁殖性能的影响  

Effects of Dietary Vitamin D Forms on Reproductive Performance of Boars

作　　者：魏冬芹 董洪俊 吕刚 吴德[1] 徐盛玉[1] 方正锋[1] 车炼强[1] 冯斌[1] 李健[1] 林燕[1] WEI Dongqin;DONG Hongjun;LYU Gang;WU De;XU Shengyu;FANG Zhengfeng;CHE Lianqiang;FENG Bin;LI Jian;LIN Yan(Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China;Tongwei Group Co., Ltd., Chengdu 610041, China)

机构地区：[1]四川农业大学动物营养研究所,成都611130 [2]通威集团有限公司,成都610041

出　　处：《动物营养学报》2017年第12期4323-4333,共11页CHINESE JOURNAL OF ANIMAL NUTRITION

基　　金：畜禽繁殖调控新技术研发(2017YFD0501900);国家自然基金(31702128)

摘　　要：本试验旨在研究饲粮维生素D添加形式对种用公猪繁殖性能的影响。选取16头18月龄的约克公猪,随机分成2组,2组饲粮中分别含有50μg/kg维生素D3(VD3)和25-羟基维生素D3(25-OHD_3),每组8个重复,每个重复1头猪。试验期16周。结果表明,与VD3组相比:1~16周,25-OHD_3组公猪精子活力和每次射精的有效精子数显著提高(P<0.05),而精子畸形率显著降低(P<0.05);第112天,25-OHD_3组血浆钙离子(Ca2+)和雌二醇含量及芳香化酶活性显著提高(P<0.05),精清25-OHD_3、Ca2+、果糖含量和酸性磷酸酶的活性显著提高(P<0.05);25-OHD_3组芳香化酶、维生素D 25-羟化酶、维生素D 24-羟化酶和维生素D受体基因的表达量显著升高(P<0.05)。综上所述,与同等水平VD3相比,种公猪饲粮中添加25-OHD_3能更有效增加血浆维生素D含量,从而改善精子的形态和运动能力,提高公猪的繁殖性能。This study was conducted to investigate the effects of dietary vitamin D supplementation forms on re- productive performance of boars. Sixteen Yorkshire boars with eighteen months of age were randomly allocated to one of two groups, dietary contents of vitamin D3（ VD3） and 25-hydroxycholecalciferol （25-OHD3 ） were both 50 μg/kg in different groups, respectively. Each group had 8 replicates with 1 boar per replicate. The trial lasted for 16 weeks. The results showed that compared with VD3 group： sperm motility, effective sperm num- ber per ejaculation in 25-OHD3 group were significantly increased in 1 to 16 weeks （P〈0.05） , while deformi- ty ratio was significantly decreased （P〈0.05） ; plasma calcium ion （Ca2＋） content, estradiol content and aro- matase activity in 25-OHD3 group were significantly increased at day 112 （P〈0.05）, and seminal plasma 25- OHDz content, Ca2＋ content, fructose content and acid phosphatase activity in 25-OHDz group were significant- ly increased （P〈0.05） ; the expression levels of aromatase, vitamin D 25-hydroxylase, vitamin D 24-hydroxy- lase and vitamin D receptor genes in 25-OHD3 group were significantly increased （P〈0.05）. In conclusion, compared with the same level of VD3, supplementation of 25-OHD3 in diet is conducive to increase plasma vi- tamin D content, so as to improve sperm morphology and athletic ability, and then improve reproductive per- formance of boars.

关 键 词：维生素D3 25-羟基维生素D3 公猪 繁殖性能 

分 类 号：S828[农业科学—畜牧学]