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Volume 15 Issue 5
Sep.  2024
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Article Navigation >  Journal of Tropical Biology  > 2024  >  15(5): 650-654

MA Yan, WANG Zhiheng, CHEN Hong, XIE Shiyun, LIAO Bo, LEI Minggang, TAN Zhen. Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs[J]. Journal of Tropical Biology, 2024, 15(5): 650-654. doi: 10.15886/j.cnki.rdswxb.20230130
Citation: MA Yan, WANG Zhiheng, CHEN Hong, XIE Shiyun, LIAO Bo, LEI Minggang, TAN Zhen. Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs[J]. Journal of Tropical Biology, 2024, 15(5): 650-654. doi: 10.15886/j.cnki.rdswxb.20230130
shu

Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs

doi: 10.15886/j.cnki.rdswxb.20230130

  • 1. Luoniushan Co., LTD., Haikou, Hainan 570203, China;

  • 2. Hainan Luoniushan Animal Husbandry Co., LTD., Haikou, Hainan 571127, China;

  • 3. School of Animal Science and Technology, School of Animal Medicine, Huazhong Agricultural University, Wuhan, Hubei 430072, China;

  • 4. School of Tropical Agriculture and Forestry, Hainan University, Danzhou, Hainan 571737, China

  • Received Date: 2023-12-02
  • Rev Recd Date: 2023-12-24
  • In order to determine the litter performance of Duroc×Luchuan（Dulu） binary sows and the coat color of their crossbred offspring with Chuanxiang black pigs, a total of 5 862 litters wtih effective breeding was recorded at three Chuanxiang×Duroc×Luchuan（Chuandulu） ternary commercial pig production farms in Hainan Province from January 2022 to June 2023. The litter performance of sows was compared according to parity and pig farm, and the coat color traits of ternary commercial pigs were counted. The results showed that there were significant differences in total litter size, healthy litter size and litter weight among different farms（P ＜0.05）. Comparison of litter sizes revealed no significant difference in total litter size and number of healthy piglets born in litters 2, 3, 4 and 5（P ＞ 0.05）. The indicators of the first parity were significantly lower than those of other parities（P ＜ 0.05）, and the indicators of the 6th parity and above were also significantly different from those of other parities（P ＜ 0.05）. The 4th parity was significantly lower in litter weight than the other parities, while the 2nd parity was significantly higher in litter weight than the other parities（P ＜ 0.05）. The piglets born in the experimental group were mainly black in coat color, with a few being red, and very few being white in coat color,and the average proportion of piglets with black coat color reached 98.79%. In conclusion, there were significant differences in the litter performance of sows among different farms, sows with 2-5 parities were highly fertile, and piglets at birth were significantly different in litter weights; the vast majority of Chuandulu ternary commercial pigs were black in coat color.
  • [1] 钟禾.为种业振兴持续注入力量[J].乡村振兴, 2022(3):36-37.
    [2] 王立贤,王立刚.生猪种业的昨天、今天和明天[J].中国畜牧业, 2021(11):24-27.
    [3] 朱砺,李学伟,李芳琼,等.猪胴体品质性状的杂种优势效应分析[J].四川农业大学学报, 2002, 20(1):29-31.
    [4] 李娜,于永生,张琪,等.地方猪种的杂交利用方式以及轮回杂交在其中的应用[J].猪业科学, 2021, 38(11):38-40.
    [5] 杨雪梅,顾以韧,杨跃奎,等.川乡黑猪生长发育研究进展[J].养猪, 2022(5):61-63.
    [6] 杨雪梅,顾以韧,杨跃奎,等.川乡黑猪选育研究[J].中国畜牧杂志, 2021(S1):194-199.
    [7] 陶璇,梁艳,应三成,等.川乡黑猪杂交试验研究[J].中国畜牧杂志, 2021(S1):214-217.
    [8] 谢炳坤,石笛,马青艳,等.杜洛克与陆川猪正反交对后代繁殖性能和屠宰性能的影响[J].湖北农业科学,2015, 54(13):3190-3192.
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Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs

doi: 10.15886/j.cnki.rdswxb.20230130
  • 1. Luoniushan Co., LTD., Haikou, Hainan 570203, China;
  • 2. Hainan Luoniushan Animal Husbandry Co., LTD., Haikou, Hainan 571127, China;
  • 3. School of Animal Science and Technology, School of Animal Medicine, Huazhong Agricultural University, Wuhan, Hubei 430072, China;
  • 4. School of Tropical Agriculture and Forestry, Hainan University, Danzhou, Hainan 571737, China
  • Received Date: 2023-12-02
  • Rev Recd Date: 2023-12-24

Abstract: In order to determine the litter performance of Duroc×Luchuan（Dulu） binary sows and the coat color of their crossbred offspring with Chuanxiang black pigs, a total of 5 862 litters wtih effective breeding was recorded at three Chuanxiang×Duroc×Luchuan（Chuandulu） ternary commercial pig production farms in Hainan Province from January 2022 to June 2023. The litter performance of sows was compared according to parity and pig farm, and the coat color traits of ternary commercial pigs were counted. The results showed that there were significant differences in total litter size, healthy litter size and litter weight among different farms（P ＜0.05）. Comparison of litter sizes revealed no significant difference in total litter size and number of healthy piglets born in litters 2, 3, 4 and 5（P ＞ 0.05）. The indicators of the first parity were significantly lower than those of other parities（P ＜ 0.05）, and the indicators of the 6th parity and above were also significantly different from those of other parities（P ＜ 0.05）. The 4th parity was significantly lower in litter weight than the other parities, while the 2nd parity was significantly higher in litter weight than the other parities（P ＜ 0.05）. The piglets born in the experimental group were mainly black in coat color, with a few being red, and very few being white in coat color,and the average proportion of piglets with black coat color reached 98.79%. In conclusion, there were significant differences in the litter performance of sows among different farms, sows with 2-5 parities were highly fertile, and piglets at birth were significantly different in litter weights; the vast majority of Chuandulu ternary commercial pigs were black in coat color.

MA Yan, WANG Zhiheng, CHEN Hong, XIE Shiyun, LIAO Bo, LEI Minggang, TAN Zhen. Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs[J]. Journal of Tropical Biology, 2024, 15(5): 650-654. doi: 10.15886/j.cnki.rdswxb.20230130
Citation: MA Yan, WANG Zhiheng, CHEN Hong, XIE Shiyun, LIAO Bo, LEI Minggang, TAN Zhen. Litter performance and offspring coat color analysis of Dulu sows crossbred with Chuanxiang black pigs[J]. Journal of Tropical Biology, 2024, 15(5): 650-654. doi: 10.15886/j.cnki.rdswxb.20230130
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