[1] 郭强,殷国梅,赵和平,等. 放牧绵羊牧食行为及采食量研究[J]. 中国草地学报,2011,33(4):95-98
[2] George C, Fahey J. Forage Quality, Evaluation, and Utilization [M]. Madison,Wisconsin,USA:American Society of Agronomy, Crop Science Society of America and Soil Science Society of America,1994:450-493
[3] 崔占鸿. 放牧家畜采食量和择食性测定方法的研究进展[J]. 家畜生态学报,2011,32(5):1-4
[4] DANNY G, FOX. Predicting Feed Intake of Food-Producing Animals [M]. Washington D.C.:National Academies Press,1987:1-15
[5] 刘书杰,王万邦. 不同物候期放牧牦牛采食量的研究[J]. 青海畜牧兽医杂志,1997,27(2): 4-8
[6] Packham R G. Feed Information and Animal Production [M]. Farnham Royal,Slough,UK:Commonwealth Agricultural Bureaux and Feed and International Network of Feed Information Centres,1983:115-118
[7] Penning P D, Hooper G E. An evaluation of the use of shorter weight changes in grazing sheep for estimating herbage intake [J]. Grass Forage Science,1985,40(1):79-84
[8] Holmes W. Grazing management[M]//Holmes W. Grass: Its Production and Utilization. Oxford, UK: British Grassland Society and Blackwell Scientific Publications,1980:125-173
[9] Forbes J M. Voluntary Food Intake and Diet Selection in Farm Animals [M]. Walling ford, Oxon, UK: Commonwealth Agricultural Bureau International,1995
[10] 朱兴运,王钦. 放牧家畜采食量和消化率的测定方法[J]. 四川草原,1983(1):63-71
[11] 汪诗平,李永宏. 放牧率和放牧时期对绵羊排粪量、采食量和消化率关系的影响[J]. 动物营养学报,1997,9(1):47-54
[12] 陈友慷. 放牧家畜采食量和消化率的测定方法[J]. 中国牦牛,1994(2):35-39
[13] Blaxter K L, Mitchell H H. The factorization of the protein requirements of ruminants and of the protein values of feeds, with particular reference to the significance of the metabolic fecal nitrogen [J]. Journal of Animal Science,1948,7(3):351-372
[14] Leite E R, Stuth J W. Value of multiple fecal indexes for predicting diet quality and intake of steers [J]. Journal of Range Management,1990,43(2):139-143
[15] 龙瑞军,董世魁,王元素,等. 反刍动物采食量的概念与研究方法[J]. 草业学报,2003,12(5): 8-17
[16] Streeter C L. A review of techniques used to estimate in vivo digestibility of grazed forage [J]. Journal of Animal Science,1969,29(5):757-768
[17] Schneider B H, Flatt P. The Evaluation of Feeds through Digestibility Experiments [M]. Athens, USA: The University of Georgia Press,1975
[18] Minson D J. Forage in Ruminant Nutrition [M]. London, U K: Academic Press,1990
[19] Vans P J. Nutritional Ecology of the Ruminant [M]. Second Edition Ithaca, New York, USA:Cornell University Press,1994
[20] Greenhalgh J F D. An introduction to herbage intake measurements[M]//Leaver J D. Herbage Intake Handbook. Hurley, Berkshire, U K: British Grassland Society,1982
[21] 参木友,顿珠坚参,鲍宇红,等. 放牧家畜采食量测定方法的研究进展[J]. 西藏科技,2008(7):58-60
[22] Stevenson, Audrey E, Langen H. Measurement of feed intake by grazing cattle and sheep. Ⅶ. modified wet digestion method for determination of chromic oxide in faeces [J]. New Zealand Journal Agricultural Research,1960,3(2):314-319
[23] 杨胜. 饲料分析及饲料质量检测技术[M]. 北京:北京农业大学出版社,1993:17-21
[24] Wang C J, Tas B M, Glindemann T, et al. Fecal crude protein content as an estimate for the digestibility of forage in grazing sheep [J]. Animal Feed Science and Technology,2009,149(3/4):199-208
[25] Manske L L. Adaptive tolerance mechanisms in grass plants[C]//Abouguendia Z. Total ranch management in the Northern Great Plains. Regina, Saskatchewan, Canada: Grazing and pasture technology program, Saskatchewan Agriculture and Food,1996:97-99
[26] Olson B E, Richards J H. Spatial arrangement of tiller replacement in Agropyron-desertorum following grazing [J]. Oecologia,1988,76(1):7-10
[27] Coyne P I, Trlica M J, Owensby C E, et al. Carbon and nitrogen dynamics in range plants[M]//Bedunah D. J, Sosebee, R.E. Wildland plants: physiological ecology and developmental morphology. Society for Range Manage, Denver, USA,1995:59-167
[28] Manske L L. Can native prairie be sustained under livestock grazing?[C]//Thorpe J, Steeves T A, Gollop M. Proceedings of the fifth prairie conservation and endangered species conference. Provincial Museum of Alberta
[29] 王旭,王德利,刘颖,等. 不同放牧率下绵羊的采食量与食性选择研究[J]. 东北师大学报自然科学版,2002,34(1):36-40
[30] 任继周. 草业科学研究方法[M]. 北京:中国农业出版社,1983:163-173
[31] Lukas M, Sudekum K H., Rave G, et al. Relationship between fecal crude protein concentration and diet organic matter digestibility in cattle [J]. Journal of Animal Science,2005,83(6):1332-1344
[32] Wang C J, Tas B M, Glindemann T, et al. Fecal crude protein content as an estimate for the digestibility of forage in grazing sheep [J]. Animal Feed Science and Technology,2009,149(3/4):199-208 |