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Effects of Dietary Arginine on Tissue Development and Casein Synthesis of Mammary Gland in Puerperium Wistar Rats

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  • College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China

Received date: 2014-11-12

  Online published: 2015-04-21

Abstract

This study was designed to determine the effects of dietary arginine on tissue development and casein synthesis of mammary gland in puerperium Wistar rats. Littermate-control test was used and 12 pregnant Wistar rats were allocated randomly to 2 groups equally. The diet of arginine group was formulated with a basal diet supplemented with equal content of arginine with the basal diet (dietary arginine content was 1.280%), and that of control group was added with glutamate to replace arginine of arginine group and to balance dietary nitrogen level. The experiment contained an pre-experimental period (4 days, 4 days before delivery) and a experimental period (17 days, 17 days after delivery). Finally, mammary gland tissue was collected for histologic section making and casein content examination. The results showed that arginine could promote mammary tissue development embodying in significant increasing in mammary acinar area (P<0.01). Moreover, arginine significantly increased the content of β-casein of mammary gland (P<0.05); and body weight of puerperium rats was also increased in numerical value (P>0.05). Taken together, dietary arginine can significantly promote tissue development and increase β-casein content of mammary gland in Wistar rats.

Cite this article

HU Liangyu, WU Jiacheng, WANG Mengzhi, LI Pengfei, FENG Dan, ZHANG Jun . Effects of Dietary Arginine on Tissue Development and Casein Synthesis of Mammary Gland in Puerperium Wistar Rats[J]. Chinese Journal of Animal Nutrition, 2015 , 27(4) : 1326 -1332 . DOI: 10.3969/j.issn.1006-267x.2015.04.040

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