›› 2017, Vol. 44 ›› Issue (9): 2656-2661.doi: 10.16431/j.cnki.1671-7236.2017.09.017

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Effects of Energy, Protein and Amino Acids Levels on the Development of Mammary Gland and the Growth of Fetus in Sows at Late Gestation

ZHANG Jun1, XIAO Jun-feng1, WEN Qing-qi2, QI Qi-en1, YANG Huan-sheng3   

  1. 1. Fujian Aonong Biological Science and Technology Group Co., Ltd., Xiamen 361000, China;
    2. College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China;
    3. Animal Nutrition and Hunan Health Laboratory, School of Life Sciences, Hunan Normal University, Changsha 410081, China
  • Received:2017-02-16 Online:2017-09-20 Published:2017-09-22

Abstract:

Late gestation is an important period for rapid development of the sow's mammary gland and fetus. It is becoming more and more important to provide a suitable nutrient level in late gestation period for improve the reproductive efficiency of sow. Demand of energy, protein and amino acids for mammary gland and fetus in sows at late gestation are different. To provide reasonable nutrition for fetus, at the same time for the needs of mammary gland are still seldom reported. In this paper, the effects of dietary energy, protein and amino acids levels on the development of mammary gland and the growth of fetus were reviewed,the authors propose the requirement of energy, protein amino acid and reasonable proportion in sows at late gestation, in order to give some guidance for pig farmers.

Key words: sow; late gestation; mammary gland; fetus; energy; protein; amino acids

CLC Number: