Effect of dietary energy levels on growth performance, blood parameter and intestinal morphology of Pekin ducks in low ambient temperature
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This study was carried out to investigate the effects of dietary energy levels on growth performance, blood parameter, and intestinal morphology of Pekin ducks in low temperature. A total of 500, 21-d-old Pekin ducks (initial BW = 1,089 ± 5.21 g) were evenly assigned to five dietary treatments (2,950, 3,000, 3,050, 3,100, or 3,150 kcal AME/kg, calculated on an as-is basis) with four replicates (pens) for each treatment (25 ducks per pen). During the experiment, hens were provided with feed and water ad libitum. Overall, increasing dietary energy levels corresponded to an increase of final body weight and body weight gain (linear, p < 0.01). Feed intake decreased (linear, p < 0.01) and feed conversion ratio increased (linear, p < 0.01) with increasing levels of energy. There were no significant differences (p < 0.05) in the level of leukocytes between groups. However, heterophils decreased (quadratic, p < 0.05) and lymphocytes increased (linear, p < 0.01) as inclusion of dietary energy levels increased. The H/L ratio increased (linear, p < 0.01) with increasing dietary energy levels while serum corticosterone levels decreased at overall experimental periods. Triglycerides increased (linear and quadratic, p < 0.05) with increasing dietary energy levels. There were no significant changes in villus height or crypt depth of the jejunum at overall experimental. In conclusion, increasing concentrations of dietary energy levels up to 2,950–3,150 kcal/kg in diet. Additionally, 3,150 kcal/kg dietary energy had been revealed more beneficial and could be practiced as protective management for the Pekin ducks reared under low ambient temperature (8°C to 10°C).
Abstract
This study was carried out to investigate the effects of dietary energy levels on growth performance, blood parameter, and intestinal morphology of Pekin ducks in low temperature. A total of 500, 21-d-old Pekin ducks (initial BW = 1,089 ± 5.21 g) were evenly assigned to five dietary treatments (2,950, 3,000, 3,050, 3,100, or 3,150 kcal AME/kg, calculated on an as-is basis) with four replicates (pens) for each treatment (25 ducks per pen). During the experiment, hens were provided with feed and water ad libitum. Overall, increasing dietary energy levels corresponded to an increase of final body weight and body weight gain (linear, p < 0.01). Feed intake decreased (linear, p < 0.01) and feed conversion ratio increased (linear, p < 0.01) with increasing levels of energy. There were no significant differences (p < 0.05) in the level of leukocytes between groups. However, heterophils decreased (quadratic, p < 0.05) and lymphocytes increased (linear, p < 0.01) as inclusion of dietary energy levels increased. The H/L ratio increased (linear, p < 0.01) with increasing dietary energy levels while serum corticosterone levels decreased at overall experimental periods. Triglycerides increased (linear and quadratic, p < 0.05) with increasing dietary energy levels. There were no significant changes in villus height or crypt depth of the jejunum at overall experimental. In conclusion, increasing concentrations of dietary energy levels up to 2,950–3,150 kcal/kg in diet. Additionally, 3,150 kcal/kg dietary energy had been revealed more beneficial and could be practiced as protective management for the Pekin ducks reared under low ambient temperature (8°C to 10°C).
참고문헌 (42)
- Dietert RR, "Environment-immune interactions", Poult Sci, 73, pp.1062~1076 (1994)
- Hernawan E, "The levels of blood glucose, triglyceride, final body weight and abdominal fat percentage of broiler under sex-separated and straight run rearing system", Lucrari Stiintifice-Seria Zootehnie, 57, pp.28~33 (2012)
- Zhang ZW, "Effects of cold stress on nitric oxide in duodenum of chicks", Poult Sci, 90, pp.1555~1561 (2011)
- Dhanalakshmi S, "Protective effect of triphala on cold stress-induced behavioral and biochemical abnormalities in rats", J Pharm Soc Jpn, 127, pp.1863~1867 (2007)
- Sahin K, "Effects of dietary chromium picolinate supplementation on performance and plasma concentrations of insulin and corticosterone in laying hens under low ambient temperature", J Anim Physiol Anim Nutr, 85, pp.142~147 (2001)
- Spinu M, "Effect of cold stress on performance and immune responses of Bedouin and White Leghorn hens", Br Poult Sci, 34, pp.177~185 (1993)
- N. Shit, "Effect of Dietary L-ascorbic Acid (L-AA) on Production Performance, Egg Quality Traits and Fertility in Japanese Quail (Coturnix japonica) at Low Ambient Temperature", Animal Bioscience, 25(7), pp.1009~1014 (2012), 아세아·태평양축산학회[DOI]
- Donkoh A., "Ambient temperature : a factor affecting performance and physiological response of broiler chickens", Int J Biometeorol, 33, pp.259~265 (1989)
- Siegel HS, "Stress, strains and resistance", Br Poult Sci, 36, pp.3~22 (1995)
- Mowat DN, "Organic chromium in animal nutrition" (1997), Chromium Books
- Noblet J, "Prediction of net energy value of feeds for growing pigs", J Anim Sci, 72, pp.344~354 (1994)
- Cole DJA, "Factors affecting voluntary feed intake in pigs: I. the effect of digestible energy content of the diet on the intake of castrated male pigs housed in holding pens and in metabolism crates", Anim Sci, 9, pp.141~148 (1967)
- Chadd SA, "The performance response of growing and finishing pigs fed differing proportions oat feed as a dietary fibre source", Proceedings of EAAP Annual Meeting (1999)
- Smith JW, "Effects of dietary energy density and lysine : calorie ratioon growth performance and carcass characteristics of growing-finishing pigs", J Anim Sci, 77, pp.3007~3015 (1999)
- National Academy Press, , 1994
- AOAC, "Official methods of analysis" (2007), Association of Official Analytical Chemists
- Pengfei Li, "Effects of Adding Essential Oil to the Diet of Weaned Pigs on Performance, Nutrient Utilization, Immune Response and Intestinal Health", Animal Bioscience, 25(11), pp.1617~1626 (2012), 아세아·태평양축산학회
- Leeson S, "Broiler response to diet energy", Poult Sci, 75, pp.529~535 (1996)
- Cheng TK, "Effect of environmental temperature, dietary protein, and energy levels on broiler performance", J Appl Poult Res, 6, pp.1~17 (1997)
- Hidalgo MA, "Live performance and meat yield responses of broilers to progressive concentrations of dietary energy maintained at a constant metabolizable energy-to-crude protein ratio", J Appl Poult Res, 13, pp.319~327 (2004)
- Doizer WA, "Growth performance, meat yield, and economic responses of broilers fed diets varying in metabolizable energy from thirty to fifty-nine days of age", J Appl Poult Res, 15, pp.367~382 (2006)
- Doizer WA, "Dietary apparent metabolizable energy and amino acid density effects on growth and carcass traits of heavy broilers", J Appl Poult Res, 16, pp.192~205 (2007)
- Jackson S, "Effect of dietary protein and energy on broiler performance and production costs", Poult Sci, 61, pp.2232~2240 (1982)
- Jensen LS, ""Extra caloric"effect of dietary fat for developing turkeys as influenced by calorie-protein ratio", Poult Sci, 49, pp.1679~1704 (1970)
- Huff GR, "Stress response differences and disease susceptibility reflected by heterophil to lymphocyte ratio in turkeys selected for increased body weight", Poult Sci, 84, pp.709~717 (2005)
- Post J, "Automated blood cell count : a sensitive and reliable method to study corticosterone-related stress in broilers", Poult Sci, 82, pp.591~595 (2003)
- Lentfer TL, "H", L ratio as a measurement of stress in laying hens-methodology and reliability, 2015, pp.56, 157~163
- Al-Murrani WK, "Heterophil", lymphocyte ratio as a selection criterion for heat resistance in domestic fowl, 1997, pp.38, 159~163
- Gross WB, "Evaluation of the heterophil", lymphocyte ratio as a measure of stress in chickens, 1983, pp.27, 972~979
- Maxwell MH, "The avian heterophil leukocyte : a review", Worlds Poult Sci J, 54, pp.155~178 (1998)
- Hangalapura BN, "Durations of cold stress modulates overall immunity of chicken lines divergently selected for antibody responses", Poult Sci, 83, pp.765~775 (2004)
- Hester PY, "Group selection for adaptation to multiple-hen cages : Hematology and adrenal function", Poult Sci, 75, pp.1295~1307 (1996)
- Buckland RB, "Competitive protein-binding assay for corticoids in the peripheral plasma of the immature chicken", Poult Sci, 53, pp.241~245 (1974)
- Johnson TS, "Parasites, morphology, and blood characters in male red jungle fowl during development", Condor, 100, pp.749~752 (1998)
- Atlas of avian hematology, "Lucas AM", USDA, ~, pp.Agriculture monograph no. 25 (1961)
- Klasing KC, "Comparative avian nutrition" (1998), Cab International
- Harper HA, "Review of biochemistry" (1987), Lange Medical Publications
- Schat K, "Avian intestinal immunity", Crt Rev Poult Biol, 3, pp.19~34 (1991)
- Soltan MA, "Influence of dietary glutamine supplementation on growth performance, small intestinal morphology, immune response and some blood parameters of broiler chickens", Int J Poult Sci, 8, pp.60~68 (2009)
- Gao J, "Effects of yeast culture in broiler diets on performance and immunomodulatory functions", Poult Sci, 87, pp.1377~1384 (2008)
- Nain S, "Effect of metabolic efficiency and intestinal morphology on variability in n-3 polyunsaturated fatty acid enrichment of eggs", Poult Sci, 91, pp.888~898 (2012)
- Fan YK, "Jejunal glucose uptake and oxygen consumption in turkey poults selected for rapid growth", Poult Sci, 76, pp.1738~1745 (1997)