1- Al-Dewachi, O.S. 1999. Some biochemical constituents in the blood serum of pregnant Awassi ewes. Iraqi Journal of Veterinary Sciences, 12: 275–279.
2- Atti, N., H. Rouissi, and M. Mahouachi. 2004. The effect of dietary crude protein level on growth, carcass and meat composition of male goat kids in Tunisia. Small Ruminant Research, 54: 89-97.
3- Bauchart, D. 1993. Lipid absorption and transport in ruminants. Journal of Dairy Science, 76:3864–3881.
4- Broderick, G. A. 2003. Effects of varying dietary protein and energy levels on the production of lactating dairy cows. Journal of Dairy Science, 86:1370–1381.
5- Bell, A. W., W. S. Burhans, and T. R. Overton. 2000. Protein nutrition in late pregnancy, maternal protein reserves and lactation performance in dairy cows. Journal of Animal Science, 59:119-126.
6- Charismiadou, M. A., J. A. Bizelis, and E. Rogdakis. 2000. Metabolic changes during the perinatal period in dairy sheep in relation to level of nutrition and breed. I. Late pregnancy. Journal of Animal Physiology, 84:61–72.
7- Cheema, A. U., M. L. Galyean, J. S. Caton, and A. S. Freeman. 1991. Influence of protein levels and naloxone on intake, nitrogen metabolism and digestion kinetics in lambs fed oat hay or barley straw. Small Ruminant Research, 5:35-46.
8- Chen, X. B, and M. J. Gomes. 1992. Estimation of Microbial Protein Supply to Sheep and Cattle Based on Urinary Excretion of Purine Derivatives – An. International Feed Resources Unit Rowett Research Institute, Bucksburn Aberdeen AB2 9SB, UK
9- Dore, V., J. Dubuc, A. M. Belanger, and S. Buczinski. 2015. Definition of prepartum hyperketonemia in dairy goats. Journal of Dairy Science, 98:4535–4543. doi:10.3168/jds.2014-9172.
10- FAO. 2010. Food and Agriculture organization statistical Database http:// apps. Fao. org/default. Food and Agriculture organization of united nation.
11- Fthenakis, G. C., G. Arsenos, C. Brozos. I. A. Fragkou, N. D. Giadinis, I. Giannenas, V.S. Marvrogianni, E. Papadopoulos, and I.Valasi. 2012. Management of ewes during pregnancy. Animal Reproduction Science, 130: 198– 212.
12- Jasim, M. D., K. Zahirul Haque, K. M. Jasimuddin, and K. M. Mehedi Hasan. 2015. Dynamics of microbial protein synthesis in the rumen - A Review. Uddin et al. Annals of Veterinary and Animal Science, ISSN: 2313-5514.
13- Jia, Z. H., T. Sahlu, J. M. Femandez, S. P. Hart, T. H. The. 1995. Effects of dietary protein level on performance of Angora and cashmereproducing Spanish goats. Journal of Small Ruminant Research, 16:113-119.
14- Harper, K. J, and D. M. McNeill. 2015. The Role iNDF in the Regulation of Feed Intake and the Importance of Its Assessment in Subtropical Ruminant Systems (the Role of iNDF in the Regulation of Forage Intake). Journal of Agriculture, 5: 778-790.
15- Huston, J. E., G. S. Engdahl, and K. W. Bales. 1988. Intake and digestibility in sheep and goats fed three forages with different levels of supplemental protein. Journal of Small Ruminant Research, 1:81-92.
16- Ingvartsen, K. L. 2006. Feeding- and management-related diseases in the transition cow: physiological adaptations around calving and strategies to reduce feeding-related diseases. Animal Feed Science and Technology, 126:175–213.
17- Kaswari, T., P. Lebzien, G. Flachowsky, and U. T. Meulen. 2007. Studies on the relationship between the synchronization index and the microbial protein synthesis in the rumen of dairy cows, Animal Feed Science and Technology. No. of Pages 22.
18- Krizsan, S. J., S. Ahvenjärvi and P. Huhtanen. 2010. A meta-analysis of passage rate estimated by rumen evacuation with cattle and evaluation of passage rate prediction models. Journal of Dairy Science, 93: 5890-5901.
19- Khorasani, G. R., G. De Boer, B. Robinson, J. J. Kennelly. 1994. Influence of dietary protein and starch on production and metabolic responses of dairy cows. DOI: http://dx.doi.org/10.3168/jds.S0022-0302(94)77016-8.
20- Lu, C. D, and M. T. Potchoiba. 1990. Feed intake and weight gain of growing goats fed diets of various energy and protein levels. Journal of Animal Science, 68: 1751-1759.
21- Mawati, S., A. Purnomo Adi, and S. Sunarso. 2016. Effect of Feed with Different Energy-protein Ratios on Parameters of Sheep Ruminal Fermentation. Pakistan Journal of Nutrition, 15(12): 1055-1060.
22- McDonald, P., R. A. Edwards, J. F. D. Greenhalgh, C. A. Morgan, L. A. Sinclair. and R. G. Wilkinson. 2011. Animal Nutrition. 7th ed. Essex: Pearson Education Limited.
23- Mertens, D. R. 1997. Creating a system of meeting the fiber requirements of dairy cows. Journal of Dairy Science, 80: 1463-1481.
24- Minson, D. J. 1990. Forage in Ruminant Nutrition. Academic Press: San Diego, CA, USA, p. 483.
25- Mohtashami. B., H. R. Mirzaei, and H. Amanlou. 2015. Effect of Different Amounts of Protein and Varying Proportions of Corn Silage and Alfalfa hay on Performance and Nitrogen Excretion of Dairy Holstein Cows. Journal of Ruminant Research, 3(3): 117-131.
26- Moore, J. E, and D. J. Undersander.2012. Relative Forage Quality: An Alternative to Relative Feed Value and Quality Index. Proceedings 13th Annual Florida Ruminant Nutrition Symposium, pp ;16-32
27- Murniati, T., M. Idrus, D. P. Rahardja, A, Latief Toleng, and A. Ako. 2013. Effect of maternal nutrition at different stages of pregnancy in goats (etawa cross and kacang) on performance of does and goat kids. International Journal of Science and Research (IJSR).
28- Nazifi, S., M. Saeb, and S. M. Ghavami. 2002. Serum lipid profile in iranian fattailed sheep in late pregnancy, at parturition and during the postparturition period. Journal of veterinary medicine, 49:9–12.
29- NRC. (Ed.). 2007. Nutrient requirements of small ruminants: sheep, goats, cervids, and New World camelids. The National Academies Press Washington, DC.
30- Pralomkarn, W., S. Saithanoo, S. Kochapakdee, and B. W. Norton. 1995. Effect of genotype and plane of nutrition on carcass characteristics of thai native and anglonubian x thai native male goats. Small Ruminant Research, 16: 21-25.
31- Promkot, C. and M. Wanapat. 2005. Effect of level of crude protein and use of cottonseed meal in diets containing cassava chips and rice straw for lactating dairy cows. Asian-Aust. Journal of Animal Science, 18: 502-511.
32- Raffrenato, E., L. J. Erasmus. 2013. Variability of indigestible NDF in C3 and C4 forages and implications on the resulting feed energy values and potential microbial protein synthesis in dairy cattle. Journal of Animal Science, 43:93-97.
33- Robinson, J. J., T. G. McEvoy, and Sinclair, K. D. 1999. Nutritional effects on foetal growth. Animal Science, 68: 315-331.
34- Sadjadian, R., A. Hesam Seifi, M. Mohri, A. A. Naserian, and N. Farzaneh. 2013. Variations of energy biochemical metabolites in periparturient dairy Saanen goats. Comparative Clinical Pathology, 22:449–456.
35- Sahlu, T., S. P. Hart, T. Le-trong, Z. Jia, L. Dawson, T. Gipson, and T. H. Teh. 1995. Influence of Prepartum Protein and Energy Concentrations for Dairy Goats During Pregnancy and Early Lactation. Journal of Dairy Science, 78:378-387
36- Shahjalal, M., M. A. Bishwas, A. M. M. Tareque and H. Dohi. 2000. Growth and carcass characteristics of goats given diets varying protein concentration and feeding level. Asian-Aust. Journal of Animal Science, 13: 613-618.
37- Sharifi, M., M. Bashtani, A. A. Naserian, and H. Khorasani. 2013. Effect of dietary crude protein level on the performance and apparent digestibility of Iranian Saanen kids. African Journal of Biotechnology, 12(26): 4202-4205.
38- Souza, N.K.P., E. Detmann, S.C. Valadares Filho, V.A.C. Costa, D.S. Pina, D.I. Gomes, A.C. Queiroz, and H.C. Mantovani. 2013. Accuracy of the estimates of ammonia concentration in rumen fluid using different analytical methods. J. Arquivo Brasileiro de Medicina Veterinaria. e Zootecnia. 65: 1752-1758.
39- Tedeschi, L.O., A. Cannas, and D. G. Fox. 2010. A nutrition mathematical model to account for dietary supply and requirements of energy and other nutrients for domesticated small ruminants: the development and evaluation of the Small Ruminant Nutrition System. Small Ruminant Research, v.89, n.2-3, p.174-184, 2010
40- Teimouri Yansari, A., B. Afshar Hamidi, R. Pir Mohamadi, and A. Mohsenpour Azary, 2007. Rumen contents and ruminal digesta particle size distribution in buffalo steers fed three different size of alfalfa. ital. Journal of Animal Science, 6: 429-432.
41- Zali, S. M., A. Teimouri Yansari, and A. Jafari Sayyadi. 2015. Effect of particle size and fragility of corn silage and alfalfa hay on intake, digestibility, performance, and chewing activity of fattening male lambs. Journal of Veterinary Science, 1:47-57.
42- Zebeli, Q., M. Tafaj, I. Weber, H. Steingass, and W. Drochner. 2008. Effects of dietary forage particle size and concentrate level on fermentation profile, in vitro degradation characteristics and concentration of liquid- or solid-associated bacterial mass in the rumen of dairy cows. Journal of Animal Feed Science and Technology, 140: 307-325.
43- Zhao, X. G., M. Wang, Z. L. Tan, S. X. Tang, Z. H. Sun, C. S. Zhou, and X. F. Han. 2009. Effects of Rice Straw Particle Size on Chewing Activity, Feed Intake, Rumen Fermentation and Digestion in Goats. Asian-Aust. Journal of Animal Science, 22: 1256-1266.
44- Varga, G. A. 2003. Soluble carbohydrates for lactating dairy cows. Tri-State Dairy Nutrition Conference, pp: 59-74.
45- Van Soest, P. J. 1994. Nutritional ecology of the ruminant. Cornell University Press, Ithaca, NY.
46- Voicu, I., GH. Burlacu, R. D. Criste and D. Voic. 1993. Study on the energy and protein requirements in goats. Institute of Biology and Animal Nutrition Balotesti, Romania. Archiv für Tierernaehrung, 44: 47-61.