Effects of plant-derived isoquinoline alkaloids on growth performance and intestinal function of broiler chickens under heat stress
| Autor: | Theo Niewold, Anja Pastor, Masaaki Toyomizu, Guangda Xue, Motoi Kikusato |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Male
medicine.medical_specialty Hot Temperature Feed conversion ratio Metabolism and Nutrition chemistry.chemical_compound Alkaloids Corticosterone Internal medicine medicine Animals Barrier function lcsh:SF1-1100 gut integrity protein catabolism systemic inflammation biology Alkaloid Broiler General Medicine Isoquinolines Animal Feed Diet Intestines Nitric oxide synthase Protein catabolism Endocrinology chemistry Dietary Supplements biology.protein feed intake Uric acid Animal Science and Zoology lcsh:Animal culture Chickens FITC-dextran Heat-Shock Response |
| Zdroj: | Poultry Science Poultry Science, Vol 100, Iss 2, Pp 957-963 (2021) |
| ISSN: | 0032-5791 |
| DOI: | 10.1016/j.psj.2020.11.050 |
| Popis: | Broiler chickens reared under heat stress (HS) conditions have decreased growth performance and show metabolic and immunologic alterations. This study aimed to evaluate the effect of supplementation with a standardized blend of plant-derived isoquinoline alkaloids (IQ) on the growth performance, protein catabolism, intestinal barrier function, and inflammatory status of HS-treated chickens. Three hundred sixty 0-day-old Ross 308 male broiler chickens were randomly distributed into 2 treatment groups: control diet (no additives) or diet supplemented with 100 ppm IQ. At day 14, the chicks in each diet group were further divided into 2 groups, each of which was reared under thermoneutral (TN) (22.4°C) or constant HS (33.0°C) conditions until day 42. Each group consisted of 6 replicates with 15 birds per replicate, and chickens were provided ad libitum access to water and feed. During days 15–21, the body weight gain (BWG) and feed intake (FI) were significantly lower in the HS treatment group than in the TN group, and feed conversion ratio was higher (P |
| Databáze: | OpenAIRE |
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