[
Abd El-Wahab A., Beineke A., Beyerbach M., Visscher C., Kamphues J. (2011). Effects of floor heating and litter quality on the development and severity of foot pad dermatitis in young turkeys. Avian Dis., 55: 429–434.10.1637/9684-021011-Reg.1
]Search in Google Scholar
[
Abd El-Wahab A., Visscher C., Beineke A., Beyerbach M., Kamphues J. (2013). Effects of high electrolyte contents in the diet and using floor heating on development and severity of foot pad dermatitis in young turkeys. J. Anim. Physiol. Anim. Nutr., 97: 39–47.10.1111/j.1439-0396.2011.01240.x
]Search in Google Scholar
[
Abd El-Wahab A., Lingens J.B., Chuppava B., Ahmed M.F., Osman A., Langeheine M., Brehm R., Taube V., Grone R.,Von Felde A. (2020). Impact of rye inclusion in diets for broilers on performance, litter quality, foot pad health, digesta viscosity, organ traits and intestinal morphology. Sustainability, 12: 7753.10.3390/su12187753
]Search in Google Scholar
[
Adeola O., Cowieson A. (2011). Board-invited review: opportunities and challenges in using exogenous enzymes to improve nonruminant animal production. J. Anim. Sci., 89: 3189–3218.10.2527/jas.2010-3715
]Search in Google Scholar
[
Adibmoradi M., Navidshad B., Seifdavati J., Royan M. (2006). Effect of dietary garlic meal on histological structure of small intestine in broiler chickens. J. Poultry Sci., 43: 378–383.10.2141/jpsa.43.378
]Search in Google Scholar
[
Almirall M., Francesch M., Perez-Vendrell A.M., Brufau J., Esteve-Garcia E. (1995). The differences in intestinal viscosity produced by barley and β-glucanase alter digesta enzyme activities and ileal nutrient digestibilities more in broiler chicks than in cocks. J. Nutr., 125: 947–955.
]Search in Google Scholar
[
Animal Welfare Regulation Governing Experimental Animals of 1st August, 2013 (Federal Law Gazette [BGBl]. I pp. 3125, 3126), amended by Article 6 of the Regulation of 12th December, 2013, BGBl. I p. 4145.
]Search in Google Scholar
[
Arsenault R., Lee J., Latham R., Carter B., Kogut M. (2017). Changes in immune and metabolic gut response in broilers fed β-mannanase in β-mannan-containing diets. Poultry Sci., 96: 4307–4316.10.3382/ps/pex246
]Search in Google Scholar
[
Attia Y.A., Al-Khalaifah H., El-Hamid A., Al-Harthi M., El-Shafey A. (2020 a). Effect of different levels of multienzymes on immune response, blood hematology and biochemistry, antioxidants status and organs histology of broiler chicks fed standard and low-density diets. Front. Vet. Sci., 6: 510.10.3389/fvets.2019.00510701516632195272
]Search in Google Scholar
[
Attia Y.A., El-kelawy M., Al-Harthi M., El-Shafey A. (2020 b). Impact of multienzymes dose supplemented continuously or intermittently in drinking water on growth performance, nutrient digestibility, and blood constituents of broiler chickens. Animals, 10: 375.10.3390/ani10030375714335532111009
]Search in Google Scholar
[
Attia Y.A., Bovera F., Al-Harthi M.A., El-Din A.E.-R.E.T., Said Selim W. (2021). Supplementation of microbial and fungal phytases to low protein and energy diets: Effects on productive performance, nutrient digestibility, and blood profiles of broilers. Agriculture, 11: 414.10.3390/agriculture11050414
]Search in Google Scholar
[
Austin S., Wiseman J., Chesson A. (1999). Influence of non-starch polysaccharides structure on the metabolisable energy of UK wheat fed to poultry. J. Cereal Sci., 29: 77–88.10.1006/jcrs.1998.0213
]Search in Google Scholar
[
Bedford M., Apajalahti J. (2001). Implications of diet and enzyme supplementation on the microflora of the intestinal tract. In: Advances in nutritional technology 2001. Proc. 1st World Feed Conference, Utrecht, Netherlands, 7-8.11.2001.
]Search in Google Scholar
[
Bedford M., Morgan A. (1996). The use of enzymes in poultry diets. World. Poultry Sci. J., 52: 61–68.10.1079/WPS19960007
]Search in Google Scholar
[
Bunte S., Keller B., Chuppava B., Kamphues J., Visscher C., Abd El-Wahab A. (2020). Influence of fermented diets on in vitro survival rate of some artificially inoculated pathogens-a preliminary study. Processes, 8: 1345.10.3390/pr8111345
]Search in Google Scholar
[
Cengız Ö., Hess J., Bilgili S. (2012). Feed enzyme supplementation does not ameliorate foot pad dermatitis in broiler chickens fed on a corn-soyabean diet. Brit. Poultry Sci., 53: 401–407.10.1080/00071668.2012.711467
]Search in Google Scholar
[
Cho J., Kim I. (2013). Effects of beta-mannanase supplementation in combination with low and high energy dense diets for growing and finishing broilers. Livest. Sci., 154: 137– 143.10.1016/j.livsci.2013.03.004
]Search in Google Scholar
[
Choct M., Annison G. (1992). Anti-nutritive effect of wheat pentosans in broiler chickens: Roles of viscosity and gut microflora. Brit. Poultry Sci., 33: 821–834.10.1080/00071669208417524
]Search in Google Scholar
[
Choct M., Dersjant-Li Y., Mcleish J., Peisker M. (2010). Soy oligosaccharides and soluble non-starch polysaccharides: a review of digestion, nutritive and anti-nutritive effects in pigs and poultry. Asian Australas. J. Anim. Sci., 23: 1386–1398.10.5713/ajas.2010.90222
]Search in Google Scholar
[
Council Regulation (EC) No 1099/2009 of 24 September 2009 on the protection of animals at the time of killing. L. 303: 1–30.
]Search in Google Scholar
[
Dahiya J., Hoehler D., Wilkie D., Van Kessel A., Drew M. (2005). Dietary glycine concentration affects intestinal Clostridium perfringens and lactobacilli populations in broiler chickens. Poultry Sci., 84: 1875–1885.10.1093/ps/84.12.1875
]Search in Google Scholar
[
Dahiya J., Wilkie D., Van Kessel A., Drew M. (2006). Potential strategies for controlling necrotic enteritis in broiler chickens in post-antibiotic era. Anim. Feed Sci. Technol., 129: 60–88.10.1016/j.anifeedsci.2005.12.003
]Search in Google Scholar
[
Daskiran M., Teeter R., Fodge D., Hsiao H. (2004). An evaluation of endo-β-D-mannanase (Hemicell) effects on broiler performance and energy use in diets varying in β-mannan content. Poultry Sci., 83: 662–668.10.1093/ps/83.4.662
]Search in Google Scholar
[
De Brito M.S., De Oliveira C.F.S., Da Silva T.R.G., De Lima R.B., Morais S.N., Da Silva J.H.V. (2008). Polissacarídeos não amiláceos na nutrição de monogástricos – revisão. Acta Vet. Bras., 2: 111–117.
]Search in Google Scholar
[
Dhawan S., Kaur J. (2007). Microbial mannanases: an overview of production and applications. Crit. Rev. Biotechnol., 27: 197–216.10.1080/07388550701775919
]Search in Google Scholar
[
Drew M., Syed N., Goldade B., Laarveld B., Van Kessel A. (2004). Effects of dietary protein source and level on intestinal populations of Clostridium perfringens in broiler chickens. Poultry Sci., 83: 414–420.10.1093/ps/83.3.414
]Search in Google Scholar
[
Eichner G., Vieira S., Torres C., Coneglian J., Freitas D., Oyarzabal O. (2007). Litter moisture and footpad dermatitis as affected by diets formulated on an all-vegetable basis or having the inclusion of poultry by-product. J. Appl. Poultry Res., 16: 344–350.10.1093/japr/16.3.344
]Search in Google Scholar
[
Engberg R., Hedemann M., Leser T., Jensen B. (2000). Effect of zinc bacitracin and salinomycin on intestinal microflora and performance of broilers. Poultry Sci., 79: 1311– 1319.10.1093/ps/79.9.1311
]Search in Google Scholar
[
Ferreira H. Jr, Hannas M., Albino L., Rostagno H., Neme R., Faria B., Xavier M. Jr, Rennó L. (2016). Effect of the addition of β-mannanase on the performance, metabolizable energy, amino acid digestibility coefficients, and immune functions of broilers fed different nutritional levels. Poultry Sci., 95: 1848–1857.10.3382/ps/pew076
]Search in Google Scholar
[
Francesch M., Brufau J. (2004). Nutritional factors affecting excreta/litter moisture and quality. World. Poultry Sci. J., 60: 64–75.10.1079/WPS20035
]Search in Google Scholar
[
Ghayour-Najafabadi P., Khosravinia H., Gheisari A., Azarfar A., Khanahmadi M. (2018). Productive performance, nutrient digestibility and intestinal morphometry in broiler chickens fed corn or wheat-based diets supplemented with bacterial-or fungal-originated xylanase. Ital. J. Anim. Sci., 17: 165–174.10.1080/1828051X.2017.1328990
]Search in Google Scholar
[
Hafez M.H., Attia Y.A. (2020). Challenges to the poultry industry: Current perspectives and strategic future after the COVID-19 outbreak. Front. Vet. Sci., 7: 516.10.3389/fvets.2020.00516
]Search in Google Scholar
[
Hansen M.V., Elliott L.P. (1980). New presumptive identification test for Clostridium perfringens: reverse CAMP test. J. Clin. Microbiol., 12: 617–619.10.1128/jcm.12.4.617-619.1980
]Search in Google Scholar
[
Hofacre C.L., Smith J.A., Mathis G.F. (2018). An optimist’s view on limiting necrotic enteritis and maintaining broiler gut health and performance in today’s marketing, food safety, and regulatory climate. Poultry Sci., 97: 1929–1933.10.3382/ps/pey082
]Search in Google Scholar
[
Hsiao H.-Y., Anderson D., Dale N. (2006). Levels of β-mannan in soybean meal. Poultry Sci., 85: 1430–1432.10.1093/ps/85.8.1430
]Search in Google Scholar
[
Iji P., Saki A., Tivey D. (2001). Body and intestinal growth of broiler chicks on a commercial starter diet. Intestinal weight and mucosal development. Brit. Poultry Sci., 42: 505–513.10.1080/00071660120073151
]Search in Google Scholar
[
Jackson M., Anderson D., Hsiao H., Mathis G., Fodge D. (2003). Beneficial effect of β-mannanase feed enzyme on performance of chicks challenged with Eimeria sp. and Clostridium perfringens. Avian Dis., 47: 759–763.10.1637/7024
]Search in Google Scholar
[
Jia W., Slominski B.A., Bruce H.L., Nyachoti C.M., Jones R.O. (2009). Enzyme addition facilitates the post-disease compensatory growth of broiler chickens challenged with Clostridium perfringens. Can. J. Anim. Sci., 89: 369–381.10.4141/CJAS09017
]Search in Google Scholar
[
Karimi K., Zhandi M. (2015). The effect of β-mannanase and β-glucanase on small intestine morphology in male broilers fed diets containing various levels of metabolizable energy. J. Appl. Anim. Res., 43: 324–329.10.1080/09712119.2014.978770
]Search in Google Scholar
[
Kim J.S., Hosseindoust A., Ju I.K., Yang X., Lee S.H., Noh H.S., Lee J.H., Chae B.J. (2018). Effects of dietary energy levels and β-mannanase supplementation in a high mannan-based diet during lactation on reproductive performance, apparent total tract digestibility and milk composition in multiparous sows. It. J. Anim. Sci., 17: 128–134.10.1080/1828051X.2017.1345663
]Search in Google Scholar
[
Knudsen K.E.B. (1997). Carbohydrate and lignin contents of plant materials used in animal feeding. Anim. Feed Sci. Technol., 67: 319–338.10.1016/S0377-8401(97)00009-6
]Search in Google Scholar
[
Knudsen K.E.B. (2014). Fiber and nonstarch polysaccharide content and variation in common crops used in broiler diets. Poultry Sci., 93: 2380–2393.10.3382/ps.2014-03902
]Search in Google Scholar
[
Kong C., Lee J., Adeola O. (2011). Supplementation of β-mannanase to starter and grower diets for broilers. Can. J. Anim. Sci., 91: 389–397.10.4141/cjas10066
]Search in Google Scholar
[
Langhout D., Schutte J., De Jong J., Sloetjes H., Verstegen W., Tamminga S. (2000). Effect of viscosity on digestion of nutrients in conventional and germ-free chicks. Brit. J. Nutr., 83: 533–540.10.1017/S0007114500000672
]Search in Google Scholar
[
Latham R., Williams M., Walters H., Carter B., Lee J. (2018). Efficacy of β-mannanase on broiler growth performance and energy utilization in the presence of increasing dietary galactomannan. Poultry Sci., 97: 549–556.10.3382/ps/pex309
]Search in Google Scholar
[
Latorre J.D., Hernandez-Velasco X., Kuttappan V.A., Wolfenden R.E., Vicente J.L., Wolfenden A.D., Bielke L.R., Prado-Rebolledo O.F., Morales E., Hargis B.M. (2015). Selection of Bacillus spp. for cellulase and xylanase production as direct-fed microbials to reduce digesta viscosity and Clostridium perfringens proliferation using an in vitro digestive model in different poultry diets. Front. Vet. Sci., 2: 25.10.3389/fvets.2015.00025
]Search in Google Scholar
[
Lee J., Bailey C., Cartwright A. (2003). β-Mannanase ameliorates viscosity-associated depression of growth in broiler chickens fed guar germ and hull fractions. Poultry Sci., 82: 1925–1931.10.1093/ps/82.12.1925
]Search in Google Scholar
[
Lee J., Connor-Appleton S., Bailey C., Cartwright A. (2005). Effects of guar meal byproduct with and without beta-mannanase hemicell on broiler performance. Poultry Sci., 84: 1261–1267.10.1093/ps/84.8.1261
]Search in Google Scholar
[
Mayne R., Else R., Hocking P. (2007). High litter moisture alone is sufficient to cause footpad dermatitis in growing turkeys. Brit. Poultry Sci., 48: 538–545.10.1080/00071660701573045
]Search in Google Scholar
[
Mcdevitt R., Brooker J., Acamovic T., Sparks N. (2006). Necrotic enteritis; a continuing challenge for the poultry industry. World. Poultry Sci. J., 62: 221–247.10.1079/WPS200593
]Search in Google Scholar
[
Montagne L., Pluske J., Hampson D. (2003). A review of interactions between dietary fibre and the intestinal mucosa, and their consequences on digestive health in young nonruminant animals. Anim. Feed Sci. Technol., 108: 95–117.10.1016/S0377-8401(03)00163-9
]Search in Google Scholar
[
Moreira L. (2008). An overview of mannan structure and mannan-degrading enzyme systems. Appl. Microbiol. Biotechnol., 79: 165–178.10.1007/s00253-008-1423-4
]Search in Google Scholar
[
Nagaraj M., Wilson C., Saenmahayak B., Hess J., Bilgili S. (2007). Efficacy of a litter amendment to reduce pododermatitis in broiler chickens. J. Appl. Poultry Res., 16: 255– 261.10.1093/japr/16.2.255
]Search in Google Scholar
[
Naumann C., Bassler R. (2012). Methoden der landwirtschaftlichen Forschungs-und Untersuchungsanstalt, Biochemische Untersuchung von Futtermitteln. Methodenbuch III (einschließlich der achten Ergänzungen). VDLUFA, Darmstadt, Germany.
]Search in Google Scholar
[
Okamoto R. (2011). Epithelial regeneration in inflammatory bowel diseases. Inflamm. Regen., 31: 275–281.10.2492/inflammregen.31.275
]Search in Google Scholar
[
Ouhida I., Perez J., Piedrafita J., Gasa J. (2000). The effects of sepiolite in broiler chicken diets of high, medium and low viscosity. Productive performance and nutritive value. Anim. Feed Sci. Technol., 85: 183–194.10.1016/S0377-8401(00)00148-6
]Search in Google Scholar
[
Rehman Z., Aziz T., Bhatti S., Ahmad G., Kamran J., Umar S., Meng C., Ding C. (2016). Effect of β-mannanase on the performance and digestibility of broilers. Asian J. Anim. Vet. Adv., 11: 393–398.10.3923/ajava.2016.393.398
]Search in Google Scholar
[
Saki A., Mazugi M., Kamyab A. (2005). Effect of mannanase on broiler performance, ileal and in-vitro protein digestibility, uric acid and litter moisture in broiler feeding. Int. J. Poult. Sci., 4: 21–26.10.3923/ijps.2005.21.26
]Search in Google Scholar
[
Scapini L., De Cristo A., Schmidt J., Buzim R., Nogueira L., Palma S., Fernandes J. (2019). Effect of β-mannanase supplementation in conventional diets on the performance, immune competence and intestinal quality of broilers challenged with Eimeria sp. J. Appl. Poultry Res., 28: 1048–1057.10.3382/japr/pfz066
]Search in Google Scholar
[
Sharifi S., Golestani G., Yaghobfar A., Khadem A., Pashazanussi H. (2013). Effects of supplementing a multienzyme to broiler diets containing a high level of wheat or canola meal on intestinal morphology and performance of chicks. J. Appl. Poultry Res., 22: 671– 679.10.3382/japr.2011-00452
]Search in Google Scholar
[
Shastak Y., Ader P., Feuerstein D., Ruehle R., Matuschek, M. (2015). ß-Mannan and mannanase in poultry nutrition. World. Poultry Sci. J., 71: 161–174.10.1017/S0043933915000136
]Search in Google Scholar
[
Shepherd E., Fairchild B. (2010). Footpad dermatitis in poultry. Poultry Sci., 89: 2043– 2051.10.3382/ps.2010-00770
]Search in Google Scholar
[
Sun Q., Liu D., Guo S., Chen Y., Guo Y. (2015). Effects of dietary essential oil and enzyme supplementation on growth performance and gut health of broilers challenged by Clostridium perfringens. Anim. Feed Sci. Technol., 207: 234–244.10.1016/j.anifeedsci.2015.06.021
]Search in Google Scholar
[
Van Der Hoeven-Hangoor E., Van De Linde I., Paton N., Verstegen M., Hendriks W. (2013). Effect of different magnesium sources on digesta and excreta moisture content and production performance in broiler chickens. Poultry Sci., 92: 382–391.10.3382/ps.2012-02404
]Search in Google Scholar
[
Van der Klis J.D., de Lange L. (2013). Water intake in poultry. Proc. 19th Europ. Poultry Nutr. Symp., Postdam, Germany, pp. 102–107.
]Search in Google Scholar
[
Yasar S., Forbes J. (2000). Enzyme supplementation of dry and wet wheat-based feeds for broiler chickens: performance and gut responses. Brit. J. Nutr., 84: 297–307.10.1017/S0007114500001574
]Search in Google Scholar
[
Youssef I., Beineke A., Rohn K., Kamphues J. (2011). Effects of litter quality (moisture, ammonia, uric acid) on development and severity of foot pad dermatitis in growing turkeys. Avian Dis., 55: 51–58.10.1637/9495-081010-Reg.1
]Search in Google Scholar
[
Zou X., Qiao X., Xu Z. (2006). Effect of β-mannanase (Hemicell) on growth performance and immunity of broilers. Poultry Sci., 85: 2176–2179.10.1093/ps/85.12.2176
]Search in Google Scholar
[
Zulkifli I., Al-Aqil A., Omar A., Sazili A., Rajion M. (2009). Crating and heat stress influence blood parameters and heat shock protein 70 expression in broiler chickens showing short or long tonic immobility reactions. Poultry Sci., 88: 471–476.10.3382/ps.2008-00287
]Search in Google Scholar