To study the different levels of dietary protein, zinc increases the growth of piglets, antioxidant and immune function. To 48 (21 2d) three-way cross DLY weaned piglets, using 2 3 two-factor factorial design, similar to the principle according to the weight, divided into 6 treatment, each dealing with eight pigs, two pigs for every one repeat, a total of 28 days trial period. The processing of low-zinc (100mg/kg) and high-protein (23%) group, low-zinc (100mg/kg) in protein (20%) group, low-zinc (100mg/kg) of low-protein (17%) group, high Zinc (3 000 mg / kg) and high-protein (23%) group, high zinc (3 000 mg / kg) of protein (20%) and high-zinc group (3 000 mg / kg) of low-protein (17%) group. Diet does not add antibiotics. Free trial of pig feed and water, record test pig feed intake, daily gain. Examine indicators of feeding intake, daily gain, feed ratio and immune function.

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Exploring the construction of credit system of china
Abstract: With the rapid development of Internet, e-commerce has gone deep into all aspects of our lihttp://www.rixia.ccves, but with the continuous development of e-commerce, e-commerce in the credit crisis began to hit quietly. Credit crisis to become a major bottleneck in development of electronic commerce. This article on electronic commerce issues related to the credit aspect of the inquiry, and proposed the construction of associated e-commerce system, our number of specific measures.
Keywords: electro日夏养花网nic commerce; credit system; Credit rating; network letters of credit;

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"Kindergarten guidelines (Trial)" pointed out: "the environment is an important educational resource, through the creation and use of the environment, effectively promote the development of children." At the present stage in our kindergarten environment although a certain development, but compared with foreign kindergarten environment still have a big gap. Especially our country rural kindergarten because there is a big gap between the city and the kindergarten, which has many problems to be solved in the creation of the environment. For example: building housing security, lack of learning game facilities, space planning iswww.rixia.cc unreasonable, children's participation is low, lack of spiritual and cultural environment etc.. This paper uses the literature method, observation method, interview method, and according to the actual needs of the development of children's education goals and, to follow the laws of physical and mental development, in-depth understanding of the situation of kindergarten environment creation of rural problems, find the creation of kindergarten environment in rural areas, to solve a series of problems existing in rural kindergarten environment creation and goals, methods the kindergarten environment creation, promote rural areas continue to improve, promote the comprehensive development of children, so as to promote the development of preschool education in china. Keywords: kindergarten environment of the rural environment; environmental education

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