New Intrinsically Thermostable Xylanase Improves Broilers’ Growth Performance, Organ Weights, and Affects Intestinal Viscosity and pH

Veerle Van Hoeck, Georgios A. Papadopoulos, Ilias Giannenas, Styliani Lioliopoulou, Vasilios Tsiouris, Tilemachos Mantzios, Konstantinos Kiskinis, Ioannis Grivas, Antonio Luis Gonzalez Sanchez, Bindhu Lakshmibai Vasanthakumari, Paschalis Fortomaris and Dany Morisset
Additional contact information
Veerle Van Hoeck: Kemin Europa N.V., Animal Nutrition and Health EMENA, Toekomstlaan 42, 2200 Herentals, Belgium
Georgios A. Papadopoulos: Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Ilias Giannenas: Laboratory of Animal Nutrition, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Styliani Lioliopoulou: Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Vasilios Tsiouris: Avian Unit, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Tilemachos Mantzios: Avian Unit, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Konstantinos Kiskinis: Avian Unit, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Ioannis Grivas: Laboratory of Anatomy, Histology and Embryology, School of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Antonio Luis Gonzalez Sanchez: Kemin Europa N.V., Animal Nutrition and Health EMENA, Toekomstlaan 42, 2200 Herentals, Belgium
Bindhu Lakshmibai Vasanthakumari: Kemin Europa N.V., Animal Nutrition and Health EMENA, Toekomstlaan 42, 2200 Herentals, Belgium
Paschalis Fortomaris: Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
Dany Morisset: Kemin Europa N.V., Animal Nutrition and Health EMENA, Toekomstlaan 42, 2200 Herentals, Belgium

Agriculture, 2021, vol. 11, issue 12, 1-16

Abstract: Exogenous carbohydrases are commonly added to monogastric animal feed to degrade non-starch polysaccharides (NSP) to improve zootechnical performance and nutrient digestion. In the current study, the effects of dietary supplementation of a new, intrinsically thermostable, monocomponent xylanase on intestinal parameters, zootechnical performance and carcass traits of broilers were evaluated. A total of 720 1-day-old broilers were randomly allotted to four wheat-based diets with different levels of xylanase (T1: control; T2: 30,000 U/g; T3: 45,000 U/g; T4: 90,000 U/g) and fed from 1 to 35 days of age. The data showed that xylanase supplementation reduced the intestinal viscosity significantly, especially in the ileum. Duodenum and cecum pH was not influenced by xylanase supplementation, while T3 treatment showed the lowest pH value in jejunum and ileum. Xylanase supplementation reduced significantly feed conversion ratio (FCR) without affecting feed intake (FI). T2 treatment exhibited a higher body weight gain (BWG) compared the other treatments. Live weight, carcass weight, legs, and liver weight were significantly higher in T3 and T4 treatments compared to T1. No significant differences on foot pad lesions were observed among the four treatments. In conclusion, dietary supplementation of this new xylanase significantly improves intestinal tract viscosity and affects beneficially broilers’ performance and carcass traits.

Keywords: new xylanase; efficacy; intestinal viscosity; broiler; performance (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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