NDLI: Gender-specific effects of a phytogenic feed additive on performance, intestinal physiology and morphology in broiler chickens.

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Gender-specific effects of a phytogenic feed additive on performance, intestinal physiology and morphology in broiler chickens.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Humer, E. Rohrer, E. Windisch, W. Wetscherek, W. Schwarz, C. Jungbauer, L. Schedle, K.
Description	Country affiliation: Austria Author Affiliation: Humer E ( Institute of Animal Nutrition, Products and Nutrition Physiology, Department for Agrobiotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.); Rohrer E ( Delacon Biotechnik GmbH, Steyregg, Austria.); Windisch W ( Chair of Animal Nutrition, Center of Life and Food Sciences Weihenstephan, Technische Universität München, Freising, Germany.); Wetscherek W ( Institute of Animal Nutrition, Products and Nutrition Physiology, Department for Agrobiotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.); Schwarz C ( Institute of Animal Nutrition, Products and Nutrition Physiology, Department for Agrobiotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.); Jungbauer L ( Delacon Biotechnik GmbH, Steyregg, Austria.); Schedle K ( Institute of Animal Nutrition, Products and Nutrition Physiology, Department for Agrobiotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.)
Abstract	To date, most studies published were carried out on broilers of the same sex, and possible gender-specific effects of phytogenic substances have not been investigated so far. A 3 × 2 factorial study was performed to examine gender-specific effects of a PFA at two dietary levels (150, 1500 ppm) on growth performance, carcass traits and gastrointestinal attributes in broiler chickens versus an untreated control group. The addition of 150 ppm of the PFA led to a downregulation of trypsinogen mRNA in pancreas compared with the control group (p < 0.05). The number of goblet cells decreased in jejunum compared with the unsupplemented group, whereby this effect was more pronounced in male birds (p < 0.05). Furthermore, higher methylamine contents compared with the control group were measured (p < 0.01). In proximal ileum, female birds, supplemented with 150 ppm PFA, had lower crypt depths than their litters in the 1500 ppm treatment (p < 0.05). In distal ileum, villus height:crypt depth ratio was higher in birds fed the PFA at 150 ppm than in the control group (p < 0.05). The 1500 ppm dosage of the PFA increased jejunal histamine concentration compared with the negative control group (p < 0.05). Jejunal histamine concentration was also affected by the interaction PFA × sex (p < 0.05). Regardless of inclusion level, total amount of biogenic amines and other microbial metabolites in digesta samples was not affected by the PFA. These results demonstrate variable, partially gender-specific effects of the tested PFA. Although the supplementation of 150 ppm showed little effect on mRNA expression level of selected marker genes for nutrient digestion, beneficial effects on gut morphology were observed. The 10-fold higher dosage of the PFA did not adversely affect growth performance as well as most investigated parameters compared with the control group.
File Format	HTM / HTML
ISSN	09312439
Issue Number	4
Volume Number	99
e-ISSN	14390396
Journal	Journal of Animal Physiology and Animal Nutrition
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2015-08-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Physiology Discipline Veterinary Medicine Discipline Nutritional Sciences Chickens Physiology Dietary Supplements Intestines Plant Oils Pharmacology Animal Feed Analysis Animal Nutritional Physiological Phenomena Animals Diet Veterinary Female Anatomy & Histology Male Molecular Sequence Data Oils, Volatile Chemistry Sex Factors Journal Article Randomized Controlled Trial
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Food Animals

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Effect of supplementation of phytogenic feed additives (powdered vs. encapsulated) on performance and nutrient digestibility in broiler chickens.

Effects of a phytogenic feed additive on growth performance and ileal nutrient digestibility in broiler chickens.

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Effects of dietary inclusion of probiotic and synbiotic on growth performance, organ weights, and intestinal histomorphology of broiler chickens.

Effect of dietary supplementation with an ethanolic extract of propolis on broiler intestinal morphology and digestive enzyme activity.

Evaluation of the chicory inulin efficacy on ameliorating the intestinal morphology and modulating the intestinal electrophysiological properties in broiler chickens.

Gender-specific effects of a phytogenic feed additive on performance, intestinal physiology and morphology in broiler chickens.

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Gender-specific effects of a phytogenic feed additive on performance, intestinal physiology and morphology in broiler chickens.