<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This preliminary study was conducted to evaluate the effects of β-mannanase in diets of broilers on performance, pododermatitis, intestinal morphology, and digesta <italic>Clostridium perfringens</italic> counts. A total of 264 broilers (Ross 308) were randomly allotted to four treatments. A wheat-soybean based diet (CO) was supplemented with either 0.15 g xylanase/kg (XY), 0.15 g xylanase/kg + 110 mL β-mannanase/ton (MA1) or 0.15 g xylanase/kg + 220 mL β-mannanase/ton (MA2). At the end of the experiment, only significant differences in body weight were noted between groups fed MA1 and MA2 diets (2501 g vs 2641 g, respectively). Birds fed MA1 had significantly the lowest pododermatitis scores (2.26) compared to other groups. Ileal villus height measurements revealed that birds fed CO and MA2 diets had significantly higher values (1614 and 1651 µm, respectively) than those fed the MA1 diet (1489 µm). The positive percent of <italic>Clostridium perfringens</italic> in intestinal digesta at d 36 was significantly the highest in the XY group. Overall, although not improving performance, supplementing the diet with β-mannanase (110 mL/ton) contributed positively to foot pad health.</p>
</abstract>

This preliminary study was conducted to evaluate the effects of β-mannanase in diets of broilers on performance, pododermatitis, intestinal morphology, and digesta Clostridium perfringens counts. A total of 264 broilers (Ross 308) were randomly allotted to four treatments. A wheat-soybean based diet (CO) was supplemented with either 0.15 g xylanase/kg (XY), 0.15 g xylanase/kg + 110 mL β-mannanase/ton (MA1) or 0.15 g xylanase/kg + 220 mL β-mannanase/ton (MA2). At the end of the experiment, only significant differences in body weight were noted between groups fed MA1 and MA2 diets (2501 g vs 2641 g, respectively). Birds fed MA1 had significantly the lowest pododermatitis scores (2.26) compared to other groups. Ileal villus height measurements revealed that birds fed CO and MA2 diets had significantly higher values (1614 and 1651 µm, respectively) than those fed the MA1 diet (1489 µm). The positive percent of Clostridium perfringens in intestinal digesta at d 36 was significantly the highest in the XY group. Overall, although not improving performance, supplementing the diet with β-mannanase (110 mL/ton) contributed positively to foot pad health.

Effect of dietary β-Mannanase addition on performance, pododermatitis, and intestinal morphology as well as digesta <italic>Clostridium perfringens</italic> in broiler chickens: a pilot study

University of Veterinary Medicine Hannover, Foundation

Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine

Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine

Annals of Animal Science

This work is licensed under the Creative Commons Attribution 4.0 International License.

Effect of dietary β-Mannanase addition on performance, pododermatitis, and intestinal morphology as well as digesta  in broiler chickens: a pilot study

This preliminary study was conducted to evaluate the effects of β-mannanase in diets of broilers on performance, pododermatitis, intestinal morphology, and...

Effect of dietary β-Mannanase addition on performance, pododermatitis, and intestinal morphology as well as digesta Clostridium perfringens in broiler chickens: a pilot study

Publié en ligne: 19 juil. 2022

Pages: 1027 - 1039

Reçu: 14 déc. 2021

Accepté: 18 févr. 2022

DOI: https://doi.org/10.2478/aoas-2022-0023

Mots clés
enzyme, poultry, growth, litter, gut, necrotic enteritis

© 2022 Amr Abd El-Wahab et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Effect of dietary β-Mannanase addition on performance, pododermatitis, and intestinal morphology as well as digesta Clostridium perfringens in broiler chickens: a pilot study

Publié en ligne: 19 juil. 2022

Pages: 1027 - 1039

Reçu: 14 déc. 2021

Accepté: 18 févr. 2022

DOI: https://doi.org/10.2478/aoas-2022-0023

Mots clésenzyme, poultry, growth, litter, gut, necrotic enteritis

© 2022 Amr Abd El-Wahab et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
enzyme, poultry, growth, litter, gut, necrotic enteritis