Anderson, M. S., He, J., Flowers-Ziegler, J., Devaskar, S. U., Hay Jr, W. W. (2001) Effects of selective hyperglycemia and hyperinsulinemia on glucose transporters in fetal ovine skeletal muscle. Am J Physiol. 281: 1256–1263. ##
Archibeque, S. I., Burns, J. C., Huntington, G. B. (2002) Nitrogen metabolism of beef steers fed endophyte-free tall fescue hay: Effect of ruminally protected methionine supplementation. J Anim Sci. 80: 1344–1351. ##
Baird, G. D. (1981) Lactation, pregnancy and metabolic disorder in the ruminant. Proc Nutr Soc. 40: 115–120. ##
Balıkcı, E., Yıldız, A., Gurdogan, F. (2007) Blood metabolite concentrations during pregnancy and postpartum in Akkaraman ewes. Small Rumin Res. 67: 247–251. ##
Bell, A. W. (1995) Regulation of organic nutrient metabolism during transition from late pregnancy to early lactation. J Anim Sci. 73: 2804-2819. ##
Bell A.W., Ehrhardt R.A. (2000) Regulation of macronutrient partitioning between maternal and conceptus tissues in the pregnant ruminant. In: Ruminant Physiology: Digestion, Metabolism, Growth and Reproduction. Cronje, P.B. (ed.). CABI Publishing, CAB International, Wallingford. p. 275-293. ##
Bickhardt, K., Konig, G. (1985) Blood values of healthy ewes of the Merino and Blackhead breed during parturition. Dtsch Tierarztl Wochenschr. 92: 319–322. ##
Bobe, G., Young, J. W., Beitz, D. C. (2004) Invited review: Pathology, etiology, prevention and treatmentof fatty liver in dairy cows. J Dairy Sci. 87: 3105-3124. ##
Boden, G., Shulman, G. I. (2002) Free fatty acids in obesity and type 2 diabetes: defining their role in the development of insulin resistance and beta-cell dysfunction. Eur J Clin Invest. 32: 14–23. ##
Bremersi, R. P. M., Morgan, P. F., McCutcheon, S. N., Purchas, R.W. (1988) Effect of plane of nutrition on energy and nitrogen retention and on plasma urea concentrations in Southdown ram hogget’s from high and low back fat selection lines. New Zealand. J Agri Res. 31: 1-7. ##
Brozostowski, H., Milewski, S., Wasilewska, A., Tanski, Z. (1996) The influence of the reproductive cycle on level of some metabolism indieces in ewe. Arch Vet Polonic. 35: 53-62. ##
Brusemeister, F., Südekum, K. H. (2006) Rumen-protected choline for dairy cows: the in situevaluation of a commercial source and literature evaluation of effects on performance andinteractions between methionine and choline metabolism. Anim Res. 55: 93-104. ##
Butler, W. R. (1998) Review: effect of protein nutrition on ovarian and uterine physiology in dairycattle. J Dairy Sci. 81: 2533–2539. ##
Carroll, D. J., Jerred, M. J., Grummer, R. R., Combs, D. K., Pierson, R. A., Hauser, E. R. (1990) Effects of fat supplementation and inmature alfalfa to concentrate ratio on plasma progesterone, energy balance, and reproductive traits of dairy cattle. J. Dairy Sci. 73: 2855-2863. ##
Chen, Y., Yang, Y., Miller, M. L., Shen, D., Shertzer, H. G., Stringer, K. F., Wang, B., Schneider, S. N., Nebert, D. W., Dalton, T. P. (2007) Hepatocyte-specific Gclc deletion leads to rapid onset of steatosis with mitochondrial injury and liver failure. Hepatology. 45: 1118–1128. ##
Dafoe, J. M., Kott, R. W., Sowell, B. F., Berardinelli, J. G., Davis, K. C., Hatfield, P. G. (2008) Effects of supplemental safflower and vitamin E during late gestation on lamb growth, serum metabolites, and thermogenesis. J Anim Sci. 86: 3194–3202. ##
Dawson, L. E. R., Carson, A. F., Kilpatrick, D. J. (1999) The effect of the digestible undegradable protein concentration of concentrates and protein source offered to ewes in late pregnancy on colostrums production and lamb performance. Anim Feed Sci Technol. 82: 21-36. ##
De Barbieri, I., Montossi, F., Vi˜noles, C., Kenyon, P. R. (2014) Effect of shearing ewes during mid- and late-pregnancy on lamb’s weight at birth and survival to weaning under grazing conditions in Uruguay. Small Rumin Res. 119: 28–32. ##
Dønnem, I., Randby, Å. T., Hektoen, L., Avdem, F., Meling, S., Våge, Å. Ø., Ådnøy, T., Steinheim, G., Waage, S. (2015) Effect of vitamin E supplementation to ewes in late pregnancy on the rate of stillborn lamb. Small Rumin Res. 125: 154–162. ##
Dove, H., Roberds, G. E. (1974) Effect of abomasal infusion ofmethionine, casein and starch plus methionine on the wool. Aust J Agric Res. 25: 945–956. ##
Duehlmeier, R., Fluegge, I., Schwert, B., Parvizi, N., Ganter, M. (2011) Metabolic adaptations to pregnancy and lactation in German Black headed Mutton and Finn sheep ewes with different susceptibilities to pregnancy toxaemia. Small Rumin Res. 96: 178–184. ##
Duehlmeier, R., Noldt, S., Ganter, M. (2013) Pancreatic insulin release and peripheral insulin sensitivity in German black headed mutton and Finish Landrace ewes: evaluation of the role of insulin resistance in the susceptibility to ovine pregnancy toxemia. Domest Anim Endocrinol. 44: 213–221. ##
El-sherif, M.M.A., Assad, F. (2001) Change in some blood constituents of Barki ewes during pregnancy and lactation under semi condition. Small Rumin Res. 40: 269-277. ##
Emmanuel, B., Robblee, A. R. (1984) Cholesterogenesis from propionate: Facts and speculations. Int J Biochem. 16: 907-911. ##
Finkelstein, J. D., Harris, B. J., Martin, J. J., Kyle, W.E. (1982) Regulation of hepatic betaine-homocyteinemethyltransferase by dietary methionine. Biochem Biophys Res Comm. 108: 344-348. ##
Firat, A., Ozpinar, A. (2002) Metabolic profile of pre-pregnancy, pregnancy and early lactation in multiple lambing Sakiz ewes 1. Changes in plasma glucose, 3-hydroxybutyrate and cortisol levels. Ann Nutr Metab. 46: 57–61. ##
Francisco, C. C., Spicer, L. J., Payton, M. E. (2003) Predicting cholesterol, progesterone, and days to ovulation using postpartum metabolic and endocrine measures. J Dairy Sci. 86: 2852-2863. ##
Gently, L. R., Fernandez, J. M., Ward, T. L., White, T. W., Southern, L. L., Bidner, T. D., Thompson, D. L., Horohov, Jr. D .W., Chapa, A. M., Sahlu, T. (1999) Dietary protein and chromium tripicolinate in Suffolk wether lambs: effects on production characteristics, metabolic and hormonal responses, and immune status. J Anim Sci. 77: 1284–1294. ##
Gruffat, D., Durand, D., Chilliard, Y., Williams, P., Bauchart, D. (1997) Hepatic gene expression ofapolipoprotein B100 during early lactation in underfed, high producing dairy cows. J Dairy Sci. 80: 657-666. ##
Goulas, C., Zervas, G., Papadopoulos, G. (2003)Effect of dietary animal fat and methionine on dairy ewes milk yield and milk composition. Anim Feed Sci Technol. 105: 43-35. ##
Hart, I. C. (1983) Endocrine control of nutrient partition in lactating ruminants. Proc Nutr Soc. 42: 181–194. ##
Henze, P., Bickhardt, K., Fuhrmann, H., Sallmann, H. P. (1998) Spontaneous pregnancy toxemia (ketosis) in sheep and the role of insulin. J Vet Med. 45: 255–266. ##
Henze, P., Bickhardt, K., Fuhrmann, H. (1994) The contributions of the hormones insulin, cortisol, somatotropin and total estrogen to the pathogenesis of sheep ketosis. Dtsch Tierarztl Wochenschr. 101: 61–65. ##
Ingvartsen, K. L., Andersen, J. B. (2000) Integration of metabolismand intake regulation: A review focusing on periparturientanimals. J Dairy Sci. 83:1573–1597. ##
Karapehlivan, M., Atakisi, E., Atakisi, O., Yucayurt, R., Pancarci, S. M. (2007) Blood biochemical parameters during the lactation and dry period in Tuj ewes. Small Rumin Res. 73: 267–271. ##
Kleppe, B. B., Aiello, R. J., Grummer, R. R., Armentano, L. E. (1988) Triglyceride accumulation andvery low density lipoprotein secretion by rat and goat hepatocytes in vitro. J Dairy Sci.71: 1813-1822. ##
Liamadis, S., Milis, Ch. (2007) Significance of quality of truly digestible protein on performance of ewes at late pregnancy and early lactation. Small Rumin Res. 71: 67–74. ##
Liker, B., Bačar-Huskić, L., Knežević, M., Rupić1, V., Vranešić, N., Romić, Ž.,Grbeša, D., Mačešić, D., Leto, J., Antunović, Z. Krnić, Ž. (2005) Blood metabolites and haematological indices of pregnant beef cows fed rumen-protected methionine. J Anim Feed Sci. 14: 625–638. ##
Li, Ch., Zhao, G. (2011) Relationships between Methionine Supply, Nitrogen Retention and Plasma Insulin-like Growth Factor-I in Growing Sheep Nourished by Total Intragastric Infusions. Asian-Aust. J Anim Sci. 24: 1393 - 1398 ##
Lynch, G. P., Elsasser, T. H., Jackson, C., Rumsey, T. S., Camp, M. J. (1991) Nitrogen metabolism of lactating ewes fed rumen-protected methionine and lysine. J. Dairy Sci. 74:2268-2276. ##
Marcos, E., Mazur, A., Cardot, P., Rayssinguier, Y. (1990) Theeffects of pregnancyand lactation on serum lipid and Apo lipoprotein B and A-Ilevels in dairy cows. J Anim Physiol Anim Nut. 64: 133-138. ##
Martinov, M. V., Vitvitsky, V. M., Banerjee, R., Ataullakhanov, F. I. (2010) The logic of the hepatic methionine metabolic cycle. Biochim Biophys Acta. 1804: 89–96. ##
Metges, C. C. (2001) Does dietary protein in early life affect the development of adiposity in mammals? J Nutr. 131: 2062–2066. ##
Moallem, U., Rozov, A., Gootwine, E., Honig, H. (2012) Plasma concentrations of key metabolites and insulin in late-pregnant ewes carrying 1 to 5 fetuses. J Anim Sci. 90: 318-324. ##
Ocak, N., Cam, M. A., Kuran, M. (2005) The effect of high dietary protein levels during late gestation on colostrums yield and lamb survival rate in singleton–bearing ewes. Small Rumin Res. 56: 89–96. ##
O’Doherty, J. V., Crosby, T. F. (1998) Blood metabolite concentrations in late pregnant ewes as indicators on nutritional status. J Anim Sci. 66: 675-683. ##
Prior, R. L., Christenson, RK. (1978) Insulin and glucose effects on glucosemetabolism in pregnant and nonpregnant ewes. J Anim Sci. 46: 201–10. ##
Rodriguez, M.N., Tebot, I., Le Bas, A., Niievas, C., Leng, L., Cirio, A. (1996) Renal function and urea handing in pregnant and lactating corriedal ewe. Can J Anim Sci. 76: 469-472. ##
Rook, J.S. (2000). Pregnancy toxemia of ewes, does, and beef cows. Vet. Clin. North Am. Food Anim. Pract. 16: 293–317. ##
Russel, A. J. F. (1984) Means of assessing the adequacy of nutrition of pregnant ewes. Livest Prod Sci. 11, 429-436. ##
Sabbagh, T. A., Swanson, L. V., Thompson, J. M. (1995) The effect of ewe body condition at lambing on colostral immunoglobulin G concentration and lamb performance. J Anim Sci. 73: 2860–2864. ##
Schlumbohm, C., Harmeyer, J. (2004) Hyperketonemia impairs glucose metabolism in pregnant and nonpregnant ewes. J Dairy Sci. 87:350–358. ##
Sevi, A., Taibi, L., Muscio, A., Dell’Aquila, S., Casamassima, D. (1998) Quality of milk as affected by number of lambs and length of suckling. Ital J Food Sci. 10: 229–241. ##
Socha, M. T., Putnam, D. E., Garthwaite, B. D., Whitehouse, N. L.,Kierstead, N. A. (2005) Amino acid supply of Pre- and Postpartum dairycows with Rumen protected Methionine and Lysine. J Dairy Sci. 88: 1113–1126. ##
Strzetelski, J. A., Kowalski, Z. M., Kowalczyk, J., Borowiec, F.,Osięgłowski, S., Ślusarczyk, K. (2009) Protected methionine as a methyl-group donor for dairy cows fed diets with different starch sources in the transition period. J Anim Feed Sci. 18: 28–41. ##
Studer, V. A., Grummer, R. R., Bertics, S., Reynolds, C. K. (1993) Effectof prepartum propylene glycol administration on periparturientfatty liver in dairy cows. J Dairy Sci. 76: 2931–2939. ##
Sun, Z. H., Tan, Z. L., Liu, M. S., Tayo, G. O., Lin, B., Teng, B., Tang, S. X., Wang, J. M., Liao, Y. P., Pan,Y. F., Wang,J. R., Zhao, X. G., Hu, Y. (2007) Effects of dietary methionine and lysine sources on nutrient digestion, nitrogen utilization, and duodenal amino acid flow in growing goats. J Anim Sci. 85: 3340-3347. ##
Tygesen, M. P., Nielsen, M. O., Norgaard, P., Ranvig, H., Harrison, A. P., Tauson, A. H. (2008) Late gestational nutrient restriction: effects on ewes’ metabolic and homeorhetic adaptation, consequences for lamb birth weight and lactation performance. Arch Anim Nutr. 62: 44–59. ##
Vernon, R. G., Clegg, R. A., Flint, D. J. (1981) Metabolism of sheep adipose tissue during pregnancy and lactation. Adaptation and regulation. J Biochem. 200: 307–314. ##
Wang, C., Liu, H. Y., Wang, Y. M., Yang, Z. Q., Liu, J. X.,Wu, Y. M., Yan, T., Ye, H. W. (2010) Effects of dietarysupplementation of methionine and lysine on milkproduction and nitrogen utilization in dairy cows. J Dairy Sci. 93: 3661–3670. ##
Waterman, R. C., Loest, C. A, Bryant, W. D., Peterson, M. K. (2007) Supplemental methionine and urea for gestating beef cows consuming low quality forage diets. J Anim Sci. 85: 731–736. ##
Williams, A. J., Murison, R., Padgett, J. (1988) Metabolism of Sulfur-containing Amino Acids by Pregnant Merino Ewes. Aust J Bioi Sci. 41: 247-59##
Wu, G., Bazer, F. W., Wallace, J. M., Spencer, T. E. (2006) Board-invited review: intrauterine growth retardation: implications for the animal sciences. J Anim Sci. 84: 2316–2337. ##
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