Zhang Z Y. China feed science[M]. Beijing: China Agriculture Press, 2000.
[3]
Jia X P, Chen B D, Mao X H, et al. Thinking of sunflower industry development in Gansu Province[J]. Bulletin of Agricultural Science and Technology, 2011, (3): 7-10.
[4]
Du Z H, Liu J F, Zuo Y C, et al. The nutrient components and utilization of mulberry as animal forage[J]. Acta Prataculturae Sinica, 2011, 20(5): 192-200.
[5]
Gao J, Jia Y S, Wang X G, et al. Study on the multiple-factors associative effects of forage[J]. Acta Prataculturae Sinica, 2012, 21(4): 236-243.
[6]
Qin Y, Li X Z, Jiang W Q, et al. An investigation of nutrition components and types in Tibet main crop straws and pastures[J]. Acta Prataculturae Sinica, 2010, 19(5): 122-129.
[7]
Chen M X, Huang Y F, Cui W D, et al. Rice stem and leaf nutrient contents and effects of stubble heights on the nutrient contents of rice straw[J]. Acta Prataculturae Sinica, 2012, 21(1): 285-290.
[8]
Li Z K, Liu G R. White beans cultivation techniques with sunflower stalk[J]. Agricultural Technology Service, 2008, 25(3): 10.
[9]
Zhang R H, Li X Y, Wang J X, et al. A study on nutrient contents of sunflower plate and leaves[J]. Agriculture and Animal Husbandry College, Inner Mongolia, 1997, 18(2): 90-92.
[10]
Zhao F F, Zheng C, Li F D, et al. Nutritional evaluation of Helianthus tuberosus meal on lactating dairy cowsJ]. Acta Prataculturae Sinica, 2011, 20(6): 264-269.
[11]
Hao Z L. Animal nutrition and feeding standardization[M]. Beijing: Golden Shield Press, 2004.
[12]
Feng Y L. Ruminant nutrition[M]. Beijing: Science Press, 2004.
[13]
Yang S. Feed analysis and feed quality detection technology[M]. Beijing: China Agricultural University Press, 1993.
[14]
Han Y W. Van Soest. Forage analysis program[J]. Feed Review, 2004, (2): 48.
[15]
Feng z c. Improvement of rumen fluid ammonia content determined by colorimetric method[J]. Animal Husbandry and Feed Science, 1993, (4): 40-41.
[16]
Xiong B H, Pang Z H, Luo Q Y. Tables of feed composition and nutritive values in China[J]. China Feed, 2009, (21): 30-33.
[17]
Robinson P H. Influence of level of concent rate allocation and fermentability of forage fiber on chewing behavior and production of dairy cows[J]. Dairy Science, 1997, 80: 681-691.
[18]
Zhao Y G, Hong Q H, Xie P, et al. The nutritional value evaluation of artificial grassland in karst region in Yunnan-Guizhou Plateau[J]. Acta Prataculturae Sinica, 2012, 21(1): 1-9.
[19]
Wang H Z, Wang Q J, Gong Y S, et al. The degradation mechanism of the roughage fiber in the rumen and the manipulation methods[J]. China Animal Husbandry & Veterinary Medicine, 2002, (4): 3-8.
[20]
Xue H F, Meng Q X. Recent nutritional advances of neutral detergent fiber in dairy cow[J]. Chinese Journal Of Animal Nutrition, 2007, (19): 454-458.
[21]
Liu T, Zheng C, Li F D. Nutritional evaluation of fennel straw and shell on sheep[J]. Acta Prataculturae Sinica, 2012, 21(5): 55-62.
[22]
Tu Y, Diao Q Y, Zhang R,et al. Analysis on the feed nutritive value of hybrid Broussonetia papyrifera leaf[J]. Pratacultural Science, 2009, 26: 136-139.
[23]
Lu H Y, Li J. The nutritional value assess of soybean straw as roughage[J]. Chinese Journal of Animal Science, 2010, 46(3): 36-38.
[24]
Wu Z L, Wang X, Wen S W, et al. Intake rate and digestibility of Sainfoin hay in sheep diet[J]. Acta Prataculturae Sinica, 1993, (1): 55-60.
[25]
Suo J L. Analysis of the effective chemical constituents in the Disc of Helianthus annu Linn and their antioxidant activity[D]. Wulumuqi: Xinjiang University, 2010.
[26]
Xie P, Zhang M H. The effect of flavonoids on immune function in animals[J]. Chinese Journal Of Animal Nutrition, 2005, 17(3): 17-20.
[27]
Bai X, Zhang Y, Guo C H, et al. Nutritional value assessment of Silkworm excrement as goat's feed[J]. Feed Research, 2011, (4): 77-79.
[28]
Kuang W, Guo Y H, Yin S H, et al. Effects of different levels of VA on the ruminal environmental parameters in holstein cows in vitro[J]. Chinese Journal Of Animal Nutrition, 2006, 18(3): 197-202.
[29]
Murphy J J, Kennelly J J. Effect of protein concentrate and protein source on the degradability of dry matter and protein in situ[J]. Dairy Science, 1987, 70: 1841-1849.
[30]
Han Z K, Chen J. Digestion and metabolism on the rumen of ruminants[J]. Beijing: Science Press, 1988.
[31]
Wang J Q. Progress of carbohydrate and nitrogen metabolism of the rumen of ruminant livestock(上)[J]. China Animal Husbandry & Veterinary Medicine, 1992, 19(4): 24-26.
[32]
Wang J Q. Progress of carbohydrate and nitrogen metabolism of the rumen of ruminant livestock(下)[J].China Animal Husbandry & Veterinary Medicine, 1992, 19(5): 34-37.
[33]
Hao Z L, Liu S M, Meng X Z. Ruminant nutrition[M]. Lanzhou: Gansu Ethnic Press, 2000.
Robinson P H. Influence of level of concent rate allocation and fermentability of forage fiber on chewing behavior and production of dairy cows[J]. Dairy Science, 1997, 80: 681-691.
Murphy J J, Kennelly J J. Effect of protein concentrate and protein source on the degradability of dry matter and protein in situ[J]. Dairy Science, 1987, 70: 1841-1849.