208. Rolon C., Buhr R. J., Cunningham D. L. Twenty four-hour feed withdrawal and limited feeding as alternative methods for induction of molt in laying hens // Poultry Sc. - 1993. - Vol. 72, N 5. - P . 776-785. 209. Rose E. The effect of water restriction on chicks fed different levels of melals // Poultry Sc. - 1960. - Vol. 39, N 4. - P . 999-1002. 210. Ross E., Herrick R. B. Forced rest induced by molt or low salt diet and subse­ quent hen performance // Poultry Sc. - 1981. - Vol. 60, N 1 . - P . 63-67. 211. Ross 208. Parent stock management manual // Ross Breeders Limited. - 1994. - P.4. 212. Rund B. Vitamin C plays role in immunity // Poulty Adviser. - 1989. - Vol. 22, N9.-P. 61-64. 213. Said N. W., Sullivan T. W., Bird H. R. et al. A comprison of the effect of two force molting methods on performance of two commercial strains of laying hens // Poultry Sc. - 1984. - Vol. 63, N 12. - P. 2399-2403. 214. Salah H. M. E. Water: the vital nutrient // Poultry Intern. - 1996. - Vol. 35, N 14. - P. 72, 74, 76. 215. Sanders B. G., Brown B. G., Couch J. R. A feathering syndromr in chick after feeding optimal levels of lysing in the absence of arginine // Proc. Soc. Biol. Med. - 1950.-Vol. 74, N l.-P. 114-117. 216. Scott M. L., Holm E. R., Reynolds R. E. Studies on the niacin, riboflavin cho­ line, anganese and zinc requirements of young ring necked phesants for growth, feathering and preventionof leg disorders // Poultry Sc. - 1959. - Vol. 38, N 6. - P . 1344-1350. 217. Scott J. T., Croger C. R. The use of zinc as an effective moulting agent in laying // Poultry Sc. - 1976. - Vol. 55, N 5. - P. 2089. 218. Seokand B. S., Singh R. A. Effect of ascorbic acid.supllementation during summer and winter months on performance of broilers // Proc. XX World's Poultry Congr. - New Delhi, India. - 1996. - P. 258. 219. Shaffher C. S. Progesterone induced moult // Poultry Sc. - 1955. - Vol. 34, N 3. - P. 840. 220. Sharma M. L., Bhatti J. S. Effect of forced moulting in layers on the interior quality of eggs // Proc. XX World's Poultry Congr. - New Delhi, India. - 1996. - P . 122. 221. Shippee R. L., Stake P . E., Koehn U. et al. High dietary zinc or magnesium as forced-resting agents for laying hens // Poultry Sc. - 1979. - Vol. 58, N 4. - P . 949-954. 139 Электронная Научная Сельскохозяйственная Библиотека