Heat stress in poultry and the beneficial effects of ascorbic acid (vitamin C) supplementation during periods of heat stress

World's Poultry Science Journal

Volumn 69, Issue 1, 2013, Pages 135-152

  Abidin, Z ^a   Khatoon, A ^b  

^a Government of Punjab   (Pakistan)

^b UNIVERSITY OF AGRICULTURE   (Pakistan)

Author keywords

amelioration; antioxidant; ascorbic acid; corticosterone; heat stress; infertility; lipid peroxidation; oxidative stress; vitamin C supplementation

Indexed keywords

ANIMALIA; AVES;

EID: 84876906128     PISSN: 00439339     EISSN: 17434777     Source Type: Journal    
DOI: 10.1017/S0043933913000123     Document Type: Review

References (168)

1. ABIDIN, Z. (2011) Ameliorative effects of L-carnitine and vitamin E upon toxico-pathological alterations induced by ochratoxicosis in white Leg-horn cockerels. M. Phil Thesis, Department of Pathology, University of Agriculture Faisalabad, Pakistan.
2. AENGWABICH, W., SRIDAMA, P., PHASUK, Y., VONGPRALAB, T., PAKDEE, P., KATAWATIN, S. and SIMARAKS, S. (2003) Effects of ascorbic acid on cell mediated, humoral immune response and pathophysiology of white blood cell in broiler under heat stress. Songklanakarin Journal of Science and Technology 25: 297-305.
3. AHMAD, M.M., MORENG, R.E. and MULLER, H.D. (1967) Breed responses in body temperature to elevated environmental temperature and ascorbic acid. Poultry Science 46: 6-15.
4. AL-FATAFTAH, A.A. (1987) Effects of high environmental temperature on broiler Performance (Review). Journal of Dirasat 14: 177-191.
5. AL-FATAFTAH, A.R.A. and ABU-DIEYEH, Z.H.M. (2007) Effect of chronic heat stress on broiler performance in Jordan. International Journal of Poultry Science 6: 64-70.
6. AL-GHAMDI, Z.H. (2008) Effects of commutative heat stress on immunoresponses in broiler chickens reared in closed system. International Journal of Poultry Science 7: 964-968.
7. ALLSHEIHOV, A.M. (1980) The effect of different amounts of ascorbic acid on growth and accumulation of vitamin C in the tissue of chickens. Journal of Nutrition 15: 471-473.
8. ALTAN, O., ALTAN, A., CABUK, M. and BAYRAKTAR, H. (2000) Effect of heat stress on some blood parameter in broilers. Turk Veternerlik Ve Hayvancilik Dergisi 24: 145-148.
9. ANONYMOUS (2010) Agriculture. Chapter 2. in: Pakistan Economic Survey. Government of Pakistan Finance Division Economic Adviser, Wing Islamabad, pp: 15-33.
10. ARJONA, A.A., DENBOW, D.M. and MEAVER, W.D. (1988) Effect of heat stress early in life on mortality of broilers exposed to high environmental temperature just prior to marketing. Poultry Science 67: 226-231.
11. ATTIA, M. (1976) Effect of different levels of vitamin C on body temperature of White Russian birds during heat stress. Egyptian Veterinary Medical Journal 24: 25.
12. AYO, J.O., OLADELE, S.B. and FAYOMI, A. (1996) Effect of heat stress on livestock production: A review. Nigerian Veterinary Journal 1: 58-68.
13. BAINS, B.S. (1996) The role of Vitamin C in stress management. World Poultry 12: 38-41.
14. BELL, J.D. and FREEMAN, M.B. (1971) Physiology and Biochemistry of the Domestic fowl. Volume 2, Academic Press, London.
15. BLAHA, J. and KROESNA, K. (1997) Effect of vitamin and electrolytes supplements on broilers' performance, slaughter value and chemical composition of meat during the heat stress. Universitas Agriculturäe Praga Press, pp 103-113.
16. BLAHA, J., DRASLAROYA, J. and KROESNA, K. (2000) The effect of vitamin and electrolyte supplements on broiler performance under heat stress. Agricultra Tropica et Subtropica 33: 52-58.
17. BLALOCK, J.E. and SMITH, E.M. (1985) A complete regulatory loop between the immune and neuroendocrine systems Federal Procedure 44: 108-111.
18. BOLLENGIER-LEE, S., MITCHELL, M.A., UTOMO, D.B., WILLIAMS, P.E.V. and WHITEHEAD, C. C. (1998) Influence of High Dietary vitamin E supplementation on egg production and plasma characteristics in hens subjected to heat stress. British Poultry Science 39: 106-112.
19. BOLLENGIER-LEE, S., WILLIAMS, P.E.V. and WHITEHEAD C.C. (1999) Optimal dietary concentration of vitamin E for alleviating the effect of heat stress on egg production in laying hens. British Poultry Science 40: 102-107.
20. BONNET, S., GERAERT, P.A., LESSIRE, M., CARRE, M.B. and GUILLAUMIN, S. (1997) Effect of high ambient temperature on feed digestibility in broilers. Poultry Science 76: 857-863.
21. BOONE, M.A. and HUSTON, T.M. (1963) Effects of high temperature on semen production and fertility in the domestic fowl. Poultry Science 42: 670-676.
22. BORGES, S.A., ARIKI, J., MARTINS, C.L. and DE MORAES, V.B.M. (1999) Potassium chloride supplementation in heat stress broilers. Revista Brasileira de Zootecna 28: 313-319.
23. BOTTIE, W.G. and HARRISON, P.C. (1987) Celiac cyclic blood flow pattern response to feeding and heat exposure. Poultry Science 66: 2039-2042.
24. CAHANER, A., PINCHASOV, Y. and NIR, I. (1995) Effect of dietary protein under high ambient temperature on body weight, breast meat yield and abdominal fat deposition of broiler stocks differing in growth rate and fatness. Poultry Science 74: 968-975.
25. CARD, L.D. and NESHEIM, M.C. (1972) In: Poultry Production, L.E. CARD, LEA & FEBIGER (Eds), Philadelphia.
26. CARMEN, A., FRANCE, M., MACLEOD, G. and JULIE, E. (1991) Alleviation of acute heat stress by food withdrawal or darkness. British Poultry Science 32: 219-225.
27. CERNIGLIA, G., KOONCE, K.L. and WALTS, A.B. (1978) Effect of ambient temperature on broilers Louisiana agriculture. Poultry Science 21: 14-15.
28. CERNIGLIA, J.A., HEBERT, J. and WATTS, A.B. (1983) Effect of constant ambient temperature and ration on the performance of sexed broilers. Poultry Science 62: 746-754.
29. CHANG, K.C., CHONG, W.S., SOHN, D., KWON, B.H., LEE, I.J., KIM, C.T., YANG, J.S. and JOO, J.I. (1993) Endothelial potentiation of relaxation response to ascorbic acid in rat and guinea pig thoracic aorta. Life Sciences 52: 37-42.
30. CHARLES, D.R. and SPENCER, P.G. (1976) in: The climatic environment of poultry houses bull. 212 London. H.M.S.O.
31. CHARLES, D.R. (1980) Environment for poultry. Veterinary Record 106: 307-309.
32. CHEN, L.H. (1981) An increase in vitamin E requirement induced by high supplementation of vitamin C in rats. The American Journal of Clinical Nutrition 34: 1036-1041.
33. CHENG T.K., COON C.N. and HAMRE, M.L. (1990) Effect of environmental stress on the ascorbic acid requirement of laying hens. Poultry Science 69 : 774-780.
34. CIFTCI, M., NIHAT ERTAS, O. and GULER, T. (2005) Effects of vitamin E and vitamin C dietary supplementation on egg production and egg quality of laying hens exposed to a chronic heat stress. Revue de Medecine Veterinaire 156: 107-111.
35. CLARK, C.E. and SARAKOON, K. (1967) Influence of ambient temperature on reproductive traits of male and female chickens. Poultry Science 46: 1093-1098.
36. DAGHIR, N.J. (1995) Nutrient requirements of poultry at high temperature, in: Poultry production in hot climate, CAB International, UK pp. 101-125.
37. DALE, N.M. and FULLER, H.L. (1980) Effect of diet composition on feed intake and growth of chicks under heat stress. II. Constant VS. cycling temperature. Poultry Science 59: 1434-1441.
38. DAVID, E.P. and BRAKE, J. (1985) Relationship of Dietary Ascorbic Acid to Broiler Breeder Performance. Poultry Science 64: 2041-2048.
39. DEATON, J.W., REECE, F.N. and VARDAMAN, T.H. (1968) The effect of temperature and density on broiler performance. Poultry Science 47: 293-300.
40. DEATON, J.W., REECE, F.N. and LOTT, B.D. (1984) Effect of differing temperature cycles on broiler performance. Poultry Science 63: 612-615.
41. DEMIR, E., OZTURKCAN, O., GORGULU, M., KUTLU, H.R. and OKAN, F. (1995) Sicak kosullarda yumurta tavugu rasyonlarina eklenen vitamin A ve Cnin yumurta ozelliklerine etkileri. Journal of Agricultural Faculty Cukurova University 10: 123-132.
42. DOAN, B.H. (2000) Effect of different level of dietary calcium and supplemental vitamin C on growth, survivability, leg abnormalities, total ash in the tibia, serum calcium and phosphorous in 0-4 week-old chicks under tropical conditions, Livestock research for Rural Development, CIPAV Publication, Colombia,12(1).
43. DOBRESCU, O. (1987) Vitamin C addition to breeder diets increase turkey semen production. Feedstuffs 59: 18.
44. DONKER, R.A., NIEUWLAND, M.G. and VAN DER ZIJPP, A.J. (1990) Heat-stress influences on antibody production in chicken lines selected for high and low immune responsiveness. Poultry Science 69: 599-607.
45. DONKOH, A. (1989) Ambient temperature: a factor affecting performance and physiological response of broiler chickens. International Journal of Biometeorology 33: 259-265.
46. EL HUSSEINY, O. and CREGER, C.R. (1981) Effect of ambient temperature on mineral retention and balance of the broiler chicks. Poultry Science 60: 1651.
47. EL-BOUSHY, A.R., SIMONS, P.C.M. and WIERTZ, G. (1968) Structure and ultrastructure of the hen's egg shell as influenced by environmental temperature, humidity and vitamin C additions. Poultry Science 47: 456-467.
48. EMERY, J. (2004) Heat stress in poultry-Solving the problem. Defra publications (ADAS). www.defra.gov.uk/publications/files/pb10543-heat-stress- 050330.pdf.
49. EMMANS, G.C. and CHARLES, D.R. (1989) Climatic environment and poultry feeding in practice. 1st Edition. Ancher Press Ltd, Essex., pp. 212-222.
50. FARRELL, D.J. and SWAIN, S. (1978) Effects of temperature treatments on the Energy and nitrogen metabolism of fed chickens. British Poultry Science 18: 735-748.
51. FERKET, P.R. and QURESHI, M.A. (1992) Performance and immunity of heat-stressed broilers fed vitamin and electrolyte supplemented drinking water. Poultry Science 71: 88-97.
52. FLETCHER, D.L. and CASON, J.A. (1991) Influence of ascorbic acid on broiler shrink and processing yields. Poultry Science 70: 2191-2196.
53. FREEMAN, B.M. (1986) Depletion of ascorbic acid from the adrenal of the intact embryo of Gallous Domestics by adrenocorticotrophic hormone on histamine. Comparative Biochemistry and Physiology 24: 905-1004.
54. FRY, S.C. (1998) Oxidative scission of plant cell wall polysaccharides by ascorbic-induced free radicals. Biochemical Journal 332: 507-515.
55. FUQUAY, W.J. (1981) Heat stress as it affects animal production. Journal of Animal Science 52: 280-283.
56. GEY, K.F. (1998) Vitamins E plus C and interacting conutrients required for optimal health. BioFactors 7: 113-174.
57. GIANG, V.D. and DOAN, B.H. (1998) Effect of Vitamin C supplementation on the absorption of a diet for 0-4 week old chicks on the absorption of calcium and phosphorous, in: Livestock research for Rural Development, CIPAV Publication, Colombia, 10(2).
58. GIETEMA, B. (1996) Chicken farming, in: Chapter 4, Management of chicken flocks, (Book 1), STOAS Publisher, Wageningen City, Netherland, pp: 35-50.
59. GONZALEZ, V.A.D., CONTRERAS, B.P.A., KLEIN, R. and BOHMWALD, H. (1995) Effect of vitamin C and E supplementation in the diet of broiler chicks on performance and immune response. Veterinaria 26: 333-340.
60. GRAY, D., BUTCHER, D.V. and RICHARD, M. (2003) Heat stress management in broilers, Veterinary Medicine-large Animal Clinical Science Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, at http://edis.ifas.ufl.edu/vm019.
61. GROSS, W.B. (1988) Effect of ascorbic acid on the mortality of longhorn type chickens due to overheating. Avian Diseases 32: 561-562.
62. GROSS, W.B. (1992) Effect of short-term exposure of chickens to corticosterome on resistance to challenge exposure with Escherichia coli and antibody response to sheep erythrocytes. American Journal of Veterinary Research 53: 291-293.
63. GROSS, W.B., SIEGEL, P.B. and DUBOSE, R.T. (1980) Some effects of feeding corticosterone to chickens. Poultry Science 59: 516-522.
64. HACINA, A.B., GERAERT, P.A., PADILHA, J.C. and SOLANAGE, G. (1996) Chronic heat exposure enhances fat deposition and modifies muscle and fat partition in broiler carcasses. Poultry Science 75: 505-513.
65. HALLIWELL, B. and GUTTERIDGE, J.M.C. (1989) Lipid Peroxidation: A radical chain reaction. in: Free Radicals in Biology and Medicine. (2nd Eds). Oxford University Press, New York, NY., pp. 188-218.
66. HAR, L., RONG, D. and ZHANG, Z.A. (2000) The effect of thermal environment on the digestion of broilers. Journal of Animal Physiology and Animal Nutrition 83: 75-61.
67. HARRIS, G.C., DODGEN, W.H. and NELSON, G.S. (1977) Effects of diurnal cyclic growing temperatures on broiler performance. Poultry Science 53: 2204-2208.
68. HARRIS, W.P., HARDEN, T.E. and DAWSON, E.B. (1974) Effect of ascorbic acid medication on semen metal levels. Fertility and Sterility 32: 455-459.
69. HARRISON, P.C. and BIELLER, H.V. (1969) Physiological response of domestic fowl to abrupt changes in the ambient temperature. Poultry Science 48: 1034-1045.
70. HELLER, E.D., NATHAN, D.B. and PEREK, M. (1979) Short heat stress as an immunostimulant in chicks. Avian Pathology 8: 195-203.
71. HOFFMAN, E. and GWIN, J.M. (1954) Successful Broiler Growing. MORRIS, M. (Ed.), Watt Publishing Co.
72. HOWLIDER, M.A.R. and ROSE, S.P. (1987) Temperature and the growth of broilers. World's Poultry Science Journal 43: 228-237.
73. HOWLIDER, M.A.R. and ROSE, S.P. (1989) Rearing temperature and the meat yield of broilers. British Poultry Science 30: 61-67.
74. HURWITZ, S., WEISELBERG, M., EISNER, U., BARTOV, I., REISENFELD, G., SHARVIT, M., NIV, A. and BORNSTEIN, S. (1980) The energy requirements and performance on growing chickens and turkeys as affected by environmental temperature. Poultry Science 59: 2290-2299.
75. JAFFAR, G.H. and BLAHA, J. (1996) Effect of ascorbic acid supplementation in drinking water on growth rate, feed consumption and feed efficiency of broiler chickens maintained under acute heat stress conditions. Universitas Agriculturae Praga Press 41: 485-490.
76. JOSHI, P.C., PANDA, B. and JOSHI, B.C. (1980) Effect of ambient temperature on semen characteristics of White Leghorn male chickens. Indian Veterinary Journal 57: 52-56.
77. JUNGCK, E.C., MADDOCK, W.D. and BROGEN, J.B. (1947) Blood vitamin A, C, and E in seminal fluid; vitamin C in human male sterility. Federal Procedure 6: 139.
78. KADIM, L.T., AI-QAMSHUI, B.H.A., MAHGOUB, O., AI-MARZOOQI, W. and JOHNSON, E.H. (2008) Effect of seasonal temperatures and ascorbic acid supplementation on performance of broiler chickens maintained in closed and open-sided houses. International Journal of Poultry Science 7: 655-660.
79. KAFRI, I. and CHERRY, J.A. (1984) Supplemental ascorbic acid and heat stress in broiler chicks. Poultry Science 63: 125.
80. KARACA, A.G., PARKER, H.M. and MCDANIEL, C.D. (2002) Elevated body temperature directly contributes to heat stress infertility of broiler breeder males. Poultry Science 81: 1892-1897.
81. KEIRS, B. (1982) Summer heat loss of fertility in hatching eggs. Poultry Digest 41: 352-355.
82. KELLEY, K.W. (1983) Immunobiology of domestic animal as affected by hot and cold weather. Transactions of the American Society of Agricultural Engineers 26: 834-840.
83. KESHAVARZ, K. and FULLER, H.L. (1980) The influence of widely fluctuating temperatures on heat production and energetic efficiency of broilers. Poultry Science 59: 2121-2128.
84. KLASING, K.C. (1998) Comparative avian nutrition, Cambridge university press, Cambridge, UK, pp. 277-299.
85. KUTLU, H.R. and FORBES, J.M. (1993) Changes in growth and blood parameters in heat-stressed broiler chicks in response to dietary ascorbic acid. Livestock Production Science 36 : 335-350.
86. KUTSKY, J.R. (1922) Ascorbic acid, in: ROMAN, J.K. (Ed.) Handbook of vitamins and hormones, pp. 71-78 (Van Nostrand Reinhold Company, New York).
87. LEBMAN, D.A. and COFFMAN, R.L. (1988) Interleukin 4 causes isotype switching to IgE in T cellstimulated clonal B cell cultures. The Journal of Experimental Medicine 168: 853-862.
88. LEWIS, S.E., STERLING, E.S., YOUNG, I.S. and THOMPSON, W. (1997) Comparison of individual antioxidants in sperm and seminal plasma in fertile and infertile men. Fertility and Sterility 67: 142-147.
89. LYLE, G.L. and MORENG, R.E. (1968) Elevated environmental temperature and duration of post exposure to ascorbic acid administration. Poultry Science 47: 410-417.
90. MARRON, L., BEDFORD, M.R. and MCCRACKEN, K.J. (2001) The effects of adding xylanase, vitamin C and copper sulphate to wheat-based diets on broiler performance. British Poultry Science 42: 493-500.
91. MARSHALL, P.T. and HUGHES, G.M. (1980) Physiology of mammals and other vertebrates, in: The endocrine system, Chapter 11 Cambridge University Press, USA, pp. 277-300.
92. MASHALY, M.M., HENDRICKS, G.L., KALAMA, M.A., GEHAD, A.E., ABBAS, A.O. and PATTERSON, P.H. (2004) Effect of heat stress on production parameters and immune responses of commercial laying hens. Poultry Science 83: 889-894.
93. MAY, J.D. and LOTT, B.D. (1992) Feed and water consumption of broilers at high environmental temperatures. Poultry Science 71: 331-336.
94. MCDANIEL, C.D., BRAMWELL, R.K., WILSON, J.L. and HOWARTH, J.B. (1995) Fertility of male and female broiler breeders following exposure to an elevated environmental temperature. Poultry Science 74: 1029-1038.
95. MCDANIEL, C.D., HOOD, J.E. and PARKER, H.M. (2004) An attempt at alleviating heat stress infertility in male broiler breeder chickens with dietary ascorbic acid. Internal Journal of Poultry Science 3: 593-602.
96. MCDANIEL, C.D., BRAMWELL, R.K. and HOWARTH, J.B. (1996) The male contribution to broiler breeder heat induced infertility as determined by sperm-egg penetration and sperm storage within the hen's oviduct. Poultry Science 75: 1546-1554.
97. MCDOWELL, L.R. (1989) Vitamin C, A and E, in: Vitamins in Animal Nutrition: comparative aspects to human nutrition, Academic Press Inc. San Diego, New York, Boston, London, Sydney, Tokyo, and Toronto.
98. MCKEE, J.S. and HARRISON, P.C. (1995) Effects of supplemental ascorbic acid on the performance of broiler chickens exposed to multiple concurrent stressors. Poultry Science 74: 1772-1785.
99. MCKEE, J.S., HARRISON, P.C. and RISKOWSKI, G.L. (1997) Effects of supplemental ascorbic acid on the energy conversion of broiler chicks during heat stress and feed withdrawal. Poultry Science 76: 1278-1286.
100. MEHMET, A.V., MUGDAT, C.I., YERTU, R.K. and OKTAG, K. (2004) Effect of ascorbic acid on the performance and some blood parameters of Japanese quails reared under hot climate conditions. Turkish Journal of Veterinary and Animal Sciences 29: 829-833.
101. MELTZER, A. (1983) Body temperature and growth rate of chicken. Poultry Science 24: 480-495.
102. MILLS, L.J., MITCHELL, M.A. and MAHON, M. (1999) Comparison of thermoregulatory ability in fast and slow growing strains of turkey during acute heat stress British Poultry Science 40: 51-52.
103. MITCHELL, M.A. and KETTLEWELL, P.J. (1998) Physiological stress and welfare of broiler chickens in transit: solutions not problems. Poultry Science 77: 1803-1814.
104. MOGENET, L.Y. and YOUBICIER-SIMO, B.J. (1998) Determination of reliable biochemical parameters of heat stress and application to the evaluation of medications: example of erythromycin E. Proceedings of 10th European Poultry Conference, Jerusalem, Israel, pp. 538-541.
105. MOUDGAL, R.P., RAZDAN, M.N., KAJAL, S. and SINGHAL, S.P. (1985) Effect of ascorbic acid and adrenergic receptor blockers on adrenalin induced in vitro follicular atresia in white leghorn hens. Indian Journal of Experimental Biology 23: 343-350.
106. MUIRURI, H.K. and HARRISON, P.C. (1991) Effect of roost temperature on performance of chickens in hot ambient environment. Poultry Science 70: 2253-2258.
107. MUIRURI, H.K. (1989) Conductive cooling and the metabolism of chicken hens in hot environment, Doctoral Dissertation, University of Illinois at Urbana-Champaign, Illinois State.
108. NRC (1994) Nutrient requirements of poultry, National Academy Press. Washington, DC. Ninth Revised Edition, pp. 19-34.
109. NASEEM, S.M., ANWAR, Y.B., GHAFOOR, A., ASLAM, A. and AKHTER, S. (2005) Effect of ascorbic acid and acetylsalicylic acid supplementation on performance of broiler chicks exposed to heat stress. International Journal of Poultry Sciences 4: 900-904.
110. NJOKU P.C. and NWAZOTA, A.O.U. (1989) Effect of dietary inclusion of ascorbic acid and palm oil on the performance of laying hens in a hot tropical environment. British Poultry Science 30: 831-840.
111. NJOKU, P.C. (1984) The effect of ascorbic acid supplementation on broiler performance in a tropical environment. Poultry Science 63: 156 (Abstract).
112. NJOKU, P.C. (1986) Effect of dietary ascorbic acid (vitamin C) supplementation on the performance of broiler chickens in a tropical environment. Animal Feed Science and Technology 16: 17-24.
113. NJOYA, J. (1995) Effect of diet and natural variations in climates on the performance of laying hens. British Poultry Science 36: 537-554.
114. NOCKELS, C.F. (1984) Effects of ascorbic acid on chicken metabolism. in: WEGGER, I., TAGWERKER, F.J. & MOUSTGAARD, J. (Eds) Proc. Ascorbic Acid in Domestic Animals, Royal Danish Agri. Soc. Copenhagen.
115. NOLAN, J., HINCH, G., TWAITES, J. and WALKDEN-BROWN, S. (1999) Constrains to animal production, Chapter 2: Climatic constrains, Lecturer Paper 12, Animal Science Group Publisher, Australia.
116. NORTH, M.O. and BELL, D.D. (1990) Commercial Chicken Production Manual. Chapman and Hall, New York, USA pp. 250-258.
117. OBALDISTON, G.W. and SAINSBURY, D.W.B. (1963) Control of the environment in poultry houses, in: The principle of practice. Part 1, Veterinary record.
118. ORBAN, J.I., ROLAND, D.A., CUMMINS, K. and LOVELL, R.T. (1993) Influence of large doses of ascorbic acid on performance, plasma calcium, bone characteristics and eggshell quality in Broiler and leghorn hens. Poultry Science 72: 691-700.
119. OZKAN, S., AKBAS, Y., ALTAN, O., ALTAN, A., AYHAN, V. and OZKAN, K. (2003) The effect of shortterm fasting on performance traits and rectal temperature of broilers during the summer season. British Poultry Science 44: 88-95.
120. PARDUE, S.L. and THAXTON, J.P. (1984), Evidence of amelioration of steroid-mediated immunosuppression by ascorbic acid. Poultry Science 63: 1262-1268.
121. PARDUE, S.L., THAXTON, J.P. and BRAKE, J. (1985a) Role of ascorbic acid in chicks exposed to high environmental temperature. Journal of Applied Physiology 58: 1511-1516.
122. PARDUE, S.L. and THAXTON, J.P. (1986) Ascorbic acid in poultry: A review. World's Poultry Science Journal 42: 107-123.
123. PARDUE, S.L., THAXTON, J.P. and BRAKE, J. (1985b) Influence of supplemental ascorbic acid on broiler performance following exposure to high environmental temperature. Poultry Science 64: 1334-1338.
124. PARKER, J.E. and MCSPADDEN, B.J. (1943) Seasonal variation in semen production in domestic fowl. Poultry Science 22: 142-147.
125. PAYNE, C.G. (1966) Environmental Temperature and Egg Production, in: HORTON-SMITH, C. & AMBROSE, E.C. (Eds) Physiology of Domestic Fowl, pp. 235-241 (Oliver and Boyd, Edinburgh, Scotland and London, Eng).
126. PAYNE, W.J.A. and WILSON, R.T. (1999) An introduction to animal husbandry in the tropic, Chapter 1: The effect of climate, Black-Well Science Publisher, UK, pp. 3-24.
127. PEEBLES, E.D. and BRAKE, J. (1985) Relationship of dietary ascorbic acid to broiler breeder performance. Poultry Science 64: 2041-2048.
128. PURON, D., SANTAMARIA, P. and SEGURA, J. C. (1994) Effect of Sodium Bicarbonate, Acetylsalicylic and Ascorbic acid on broiler performance in a tropical environment. Journal of Applied Poultry Research 3: 141-145.
129. QUARLES, C.L. and ADRIAN, W.J. (1989) Evaluation of ascorbic acid for increasing carcass yield in broiler chickens. in: The role of vitamin C for poultrystress management. HOFFMANN., F., LAROCHE and Co. AG., Switzerland.
130. RAJA, A.Q. and QURESHI, A. (2000) Effectiveness of supplementation of vitamin C in broiler feeds in hot season. Pakistan Veterinary Journal 20:100.
131. REECE, F.N. and LOTT, B.D. (1983) The Effects of temperature and age on body weight and feed efficiency of broiler chickens. Poultry Science 62: 1906-1908.
132. REGNIER, J.A., KELLEY, K.W. and GASKINS, C.T. (1980) Acute thermal stressors and synthesis of antibodies in chickens. Poultry Science 59: 985-990.
133. RICHARD, J.J. (1998) Physiological management and environmental triggers of the ascites syndrome. Poultry International: Asia Pacific Edition 37: 28-33.
134. RICHARDS, M.P. (1997) Trace mineral metabolism in the avian embryo. Poultry Science 76: 152-164.
135. ROY, R.N. and GUHA, B. (1958) Species differences in regard to Biosynthesis of ascorbic acid. Nature 182: 319-320.
136. SABAH ELKHEIR, M.K., MOHAMMED AHMED, M.M. and ABDEL GADIR, S.M. (2008) Effect of feed restriction and ascorbic acid supplementation on performance of broiler chicks reared under heat stress. Research Journal of Animal and Veterinary Sciences 3: 1-8.
137. SAHIN, K. and KUCUK, O. (2001) Effects of vitamin E and selenium on performance, digestibility of nutrients and carcass characteristics of Japanese quails reared under heat stress (34C). Journal of Animal Physiology and Animal Nutrition 85: 342-348.
138. SAHIN, K. and KUCUK, O. (2003). Heat stress and dietary vitamin supplementation of poultry diets. Department of Animal Nutrition and Nutritional Diseases, School of Veterinary Medicine, University of Firat, Elazig, 23119: 37.
139. SAHIN, K., KUCUK, O., SAHIN, N. and GURSU, M.F. (2002) Optimal dietary concentration of vitamin E for alleviating the effect of heat stress on performance, thyroid status, ACTH and some serum metabolite and mineral concentrations in broilers. Veterinarni Medicina 47: 110-116.
140. SAVIC, V., MIKEC, M., PAVICIC, P. and TISIJAR, M. (1993) Effect of repeated heat stress on the humoral immune response and productivity of broiler chicks. Veterinarska Stanica 24: 195-202.
141. SAYED, A.N. and SHOEIB, H. (1996) A rapid two weeks evaluation of vitamin C and B-complex and sodium chloride for heat stressed broilers. Assiut Veterinary Medical Journal 34: 37-42.
142. SCHEMLING, S.K. and NOCKELS, C.F. (1978) Effect of age, sex and ascorbic acid ingestion on chicken plasma corticosterone levels. Poultry Science 57: 527-533.
143. SEEHAWER, K.E. (2001) Significance and application of ascorbic acid in poultry. Archiv für Geflügelkunde 65: 106-113.
144. SHEILA, K.S. and CHERYL, F.N. (1978) Effect of age, sex and ascorbic acid ingestion on chicken plasma corticosterone levels. Poultry Science 57: 527-533.
145. SIEGEL, H.S. (1995) Stress, strains and resistance. British Poultry Science 36: 3-22.
146. SIEGEL, H.S. (1971) Adrenals, stress and the environment. World's Poultry Science Journal 7: 327-349.
147. SIMMONS, J.D. and DEATON, J.W. (1989) Evaporative cooling for increased production of large broiler chickens. Poultry Science 68: 839-841.
148. SMITH, M.O. (1993) Parts yield of broilers reared under cycling high temperature. Poultry Science 72: 1146-1150.
149. SUK, Y.O. and WASHBURN, K.W. (1995) Effects of environment on growth, efficiency of feed utilization, carcass fatness and their association. Poultry Science 74: 285-296.
150. SUMMERS, J.D., SPRAT, D. and ATKINSON, J.L. (1990) Restricted feeding and compensatory growth for broilers. Poultry Science 69: 1855-1861.
151. SYKES, A.H. (1977) Nutrition-environment interaction in poultry, in: Nutrition and the Climatic Environment, Butterworth Group, Nottingham, UK, pp. 17-31.
152. SYKES, A.H. (1978) Vitamin C for Poultry; some recent research. Roche Symposium, 5-15.
153. SZENT, G. and GYORGI, A. (1928) Ascorbic acid, in: SEBREL W.H. & HARRIS, R.S. (Eds) Vitamins vol. 11, pp. 306-501 (Academic Press, London).
154. TEETER, R.G., SMITH, M.O. and WIERNUSZ, C.J. (1992) Broiler acclimation to heat distress and feed intake effects on body temperature in birds exposed to thermoneutral and high ambient temperatures. Poultry Science 71: 1101-1104.
155. TEMIM, S., CHAGNEAU, A., PERESSON, M. and TESSERAUD, S. (2000) Chronic heat exposure alters protein turnover of three different skeletal muscles in finishing broiler chickens Fed 20 or 25% protein diets. Journal of Nutrition 130: 813-819.
156. THORNTON, P.A. (1961) Increased environmental temperature influences on ascorbic acid. Federal Procedure 20: 210.
157. TUEKAM, T.D., MILES, R.D. and BUTCHER, G.D. (1994) Performance and humoral immune response in heat stressed broilers fed on ascorbic acid supplemented diet. Journal of Applied Animal Research 6: 121-130.
158. VAN KAMPEN, M. (1981) Thermal influences on Poultry, in: CLARK, J.A. (Ed.) Environmental Aspects of Housing for Animal Production (Butterworths, London, England).
159. VATHANA, S., KANG, K., LOAN, C.P., THINGGAARD, G., KABASA, J.D. and MEULEN, U.T. (2002) Effect of vitamin c supplementation on performance of broiler chickens in Cambodia. Conference on International agricultural research for development Witzenhausen, October 9-11 Deutscher Tropentag.
160. WANG, S., XU, W. and CAO, Q. (2001) The influence of stress inhibition on the plasma levels of LPS, proinflammatory and Th-1/Th-2 cytolines in severely scalded rats. Zhonghua Shao Shang Za Zhi 17: 177-180.
161. WARREN, D.C. and SCHNEPEL, R.L. (1940) The effect of air temperature on egg shell thickness in the fowl. Poultry Science 19: 67-72.
162. WEBSTER, A.J.F. (1983) Nutrition and the thermal environment in nutritional physiology of farm animals, in: ROOK, J.A.F. & THOMAS, P.C. (Ed.) pp. 639-669 (New York, Longman).
163. WHITEHEAD, C.C. and KELLER, T. (2003) An update on ascorbic acid in poultry. World's Poultry Science Journal 59: 161-184.
164. WITHERS, P.C. (1992) Animal Energetics, in: Comparative animal physiology. Saunders college publishing, New York, NY pp. 108.
165. YAHAV, S., STRASCHNOW, A., PLAVNIK, I. and HURWITZ, S. (1996) Effects of diurnal cycling versus constant temperatures on chicken growth and food intake. British Poultry Science 37: 43-54.
166. YALCIN, S., SETTAR, P., OZKAN, S. and CAHANER, A. (1997) Comparative evaluation of three commercial broiler stocks in hot versus temperate climates. Poultry Science 76: 921-929.
167. ZULKIFI, I., NORMA, M.T., ISRAF, D.A. and OMAR, A.R. (2000) The effect of early age feed restriction on subsequent response to high environmental temperatures in female broiler chickens. Poultry Science 79: 1401-1407.
168. ZULKIFIELI, I., DUNNINGTON, E.A., GROSS, W.B. and SIEGEL, P.B. (1994) Food restriction early or later in life and its effect on adaptability, disease resistance and immunocompetence of heat-stressed dwarf and non-dwarf chickens. British Poultry Science 35: 203-213.