The effects of different levels of β-mannanase (Hemicell®) on the performance and blood parameters of broiler

Editorial

Authors

1 Assistant Prof. in Animal Science (Nutrition), College of Agriculture, The University of Guilan.

2 Assistant Prof. in Veterinary Physiology, College of Agriculture, The University of Guilan

3 Former MS Student of Animal Science, College of Agriculture, The University of Guilan.

Abstract

In order to study the effect of different levels of β-mannanase enzyme on the performance, blood parameters and carcass characteristics of broiler chicks (Arbor acres), an experiment was conducted with 240 checks (44.6 grams average weight) under a completely randomized design with 4 treatments and 5 replications and 12 checks per each replicate. β-mannanase enzyme with the levels of zero (T1 control), 0.035 (T2), 0.05 (T3) and 0.075 (T4) percent were added to 4 experimental diets on the basis of maize-soybean meal for the periods of starter (7-21 days), grower (21-42 days) and total period of feeding system. Daily feed intake (g/check/day), daily live weight gain (g/check/day), feed conversion ratio (FCR), blood parameters including glucose, calcium and phosphorous (mg/dl) during all periods of feeding system, percent body weight uniformity and carcass characteristics (%) at the end of feeding period, were measured. The results showed that addition of β-mannanase enzyme to experimental diets have increased daily live weight gain and improved FCR of all treatments containing  β-mannanase significantly (p<0.05) with respect to control during grower and total period of feeding system. But daily feed intake, blood parameters (glucose, calcium and phosphorous), body weight uniformity, and carcass characteristics as dressing percentage, % thigh, % breast, % liver, % gizzard, and % of total luminal tract of broilers did not affect by different levels of enzymes (p> 0.05). Therefore, use of minimum of 0.035 % of β-mannanase would increase daily live weight gain and improves FCR of broilers in grower and total period of feeding system.

1- پوررضا، ج.، صادقی ق. و مهری. م. (1384) تغذیه مرغ اسکات (ترجمه) انتشارات اردکان، ویرایش چهارم.##
2- مازوجی، م. (1382) اثر آنزیم بتاماناناز بر قابلیت هضم پروتئین، انرژی‌زایی، ویسکوزیته و عملکرد جوجه های گوشتی. پایان‌نامه کارشناسی ارشد. دانشگاه همدان.##
3- Aman, P. and Graham, H. (1990) Chemical Evaluation of Polysaccharides in Animal Feeds: In feedstuff Chemical evaluation of polysaccharides in animal feeds. J. Wiseman and D.J.A. Cole, (Eds.) University Press Cambridge, UK. Pages 161-177.##
4- Annison, G. (1991) Relationship between the level of soluble non-starch polysaccharides and the apparent metabolizable energy of wheat assayed in broiler chickens. Journal of Agriculture and Food Chemistry, 39: 1252-1256.##
5- Bedford, M. R. and Morgan, A. J. (1996) The use of enzymes in poultry diets. World Poultry Science Journal. 52:61- 68.##
6- Bedford, M.R. and Partridge, G.G. (2001) Enzyme in Farm Animal Nutrition. Cab Publication. Pp 3-9, 100- 123.##
7- Centeno, M.S.J., Ponte, P.I.P., Ribeiro, T., Prates, J.A.M., Ferreira L.M.A., Soares, M.C., Gilbert, H.J. and Fontes, C.M.G.A. (2006) Galactonase and mannanase improve the nutritive value of maize and soybean meal based diets for broiler chicks. Journal of Poultry Science, 43: 344-350.##
8- Choct, M., Hughes, R.J., Trimble, R.P., Angkanapon, k. and Annison, G. (1995) Non-starch polysaccharide-degrading enzyme increase the performance of broiler chickens fed wheat of low apparent metabolizable energy. Journal of Nutrition. 125: 485- 492.##
9- Dale, N. (1997) Current studies of feed enzymes for swine and poultry. Swine feed enzyme. ChemoGen crop. Gaithersburg, M.D.##
10- Daskiran, M., Teeter, R. G., Fodge, D. and Hsiao, H. Y. (2004) An evaluation of endo-β- D-mannanse (Hemicell) effects on broiler performance and energy use in diet varying in β-mannan content. Poultry Science. 83:662- 668.##
11- Dierick, N. A. (1989) Biotechnology acid to improve feed and feed digestion: enzyme and fermentation. Animal Nutrition Berlin. 3: 241- 246.##
12- Engster, H.M., Marvil, D. and Stewart-brown, B. (2002) The effect of withdrawing growth promoting Antibiotics from broiler chickens: A long-term commercial industry study. Journal of Application Poultry Research. 11: 431-436.##
13- Holt, S., Heading, R.C., Carter, D.C., Prescott, L.F. and Tothill, P. (1997) Effect of gel fibre on gastric emptying and absorption of glucose and paracetamol. Lancet, 1:636.##
14- Jackson, M.E., Geronian, K., Knox, A., McNab, J and Mccartney, E. (2004) A dose-response study with the feed enzyme β-Mannanase in broilers provided with Corn-Soybean Meal based diets in the absence of antibiotic growth promoters. Poultry Science, 83: 1992-1996.##
15- Jackson, M.E., Fodge, D. and Hsaio, H.Y. (1999) Effect of β-mannanase in corn-soybean meal diets on laying hen performance. Poultry Science,78: 1737-1741.##
16- Jackson, M.E. (2001) Maize-soya diets with β-mannanase. Feed International, December, Pp 22-26.##
17- Jackson, M.E. (2002) Enzyme improves turkey live weight uniformity by more than 20%. Poultry International, 41: 52-55.##
18-Khanongnuch, C., Sanguansook, C. and Lumyong, S. (2006) Nutritive quality of β mannanase treated copra meal in broiler diets and effectiveness on some feacal bacteria. International Journal of Poultry Science, 5(11): 1087-1091.##
19- Lee, J.T., Connor-Appleton, S, Bailey, C.A. and Cartwright, A.L. (2005) Effects of guar meal by-product with and without beta-mannanase (Hemicell) on broiler performance. Poultry Science, 84 (8): 1261-1267.##
20- Leeds, A. R., Kang, S. S., Low, A. G. and Sambrook, I. E. (1980) The pig as model for studies on the mode of action of guar gum in normal and diabetic man. Proceeding Nutrition Society. 39: 44.##
21- National Research Council (NRC). (1994) Nutrient requirements of poultry. 9th rev.ed. NationalAcademy  Press. Washington. DC.##
22- Nunes, C. S. and Malmolf, K. (1992) Effects of guar gum and cellulose on glucose absorption, hormonal release and hepatic metabolism in the pig. British Journal of Nutrition. 68: 963.##
23- Odetallah, N. H., Ferket, P. R., Grimes, J. L. and McNaughtont, J. L. (2002) Effect of mannan-endo-1, 4-β-mannosidase on the growth performance o f turkey fed diets containing 44 and 48% crude protein of soybean meal. Poultry Science. 81:1322- 1331.##
24- Ray, S., Pubols, M.H. and Mcginnis, J. (1982) Effects of purified guar degrading enzyme on chick growth. Poultry Science. 61: 489- 498.##
25- Ross, S.A., Duncan, C.J., Pasco, D.S. and Pugh, N. (2002) Isolation of galactomanan that enhances macrophage activation from the edible fungus Morchella esculenta .Journal of Agriculture and food chemistry. 50:5683-5685.##
26- Rotter, B.A., Marquardt, R.R., Guenter, W. and Crow, G.H. (1990) Evaluation of three enzyme methods as prediction of in vivo response to enzyme supplementation of barley-based diets when fed to young chicks. Journal of Science, Food and Agriculture, 50: 19-27.##
27- Salih, M.E., Classen, H.L. and Camble, G.L. (1991) Response of chickens fed on hull-less barley to dietary β-glucanase at different ages. Animal Feed Science and Technology, 33:139-149.##
28- SAS, Institute, Inc., (1993) SAS Users guide: Version 6.03 edition, SAS Institute Inc., Cary, North Carolina.##
29- Sebastion, S., Touchburn, S. P., Chavez, E. R. and Lague, P. C. (1996) The effects of supplementation of microbial phytase on the performance and utilization of dietary calcium, phosphorus, copper, and zinc in broiler chickens fed corn-soybean diets. Poultry Science. 75:729-736.##
30- Sundu, B., Kumer, A. and Digle, J. (2006) Response of broiler chicks fed increasing levels of copra meal and enzyme. Poultry Science, 5:13-18.##
31- Teaster, F. R., Karkalas, J. and Qi, X. (2003) Starch structure and digestibility enzyme substrate relationship. 14th European Symposium of Poultry Nutrition. Augest 2003. (Lillehammer, Norway). Pp 45-54.##
32- Wu, G., Bryant, M. M., Voitle, R. A. and Roland, D. A. (2005) Effects of β-mannanase in corn-soybean diets on commercial leghorn in second-cycle hens. Poultry Science. 84: 894- 897.##
33- Zou, X. T., Qiao, X. J. and Xu, Z. R. (2006) Effect of β-mannanase (Hemicell) on growth performance and immunity of broiler. Poultry Science. 85:2176-2179. ##