The effects of dietary hesperidin supplementation on broiler performance and chicken meat characteristics
Bibliographic record
Abstract
Simitzis, P. E., Symeon, G. K., Charismiadou, M. A., Ayoutanti, A. G. and Deligeorgis, S. G. 2011. The effects of dietary hesperidin supplementation on broiler performance and chicken meat characteristics. Can. J. Anim. Sci. 91: 275–282. An experiment was conducted to examine the effects of supplementing broiler feed with hesperidin, a bioflavonoid that is an abundant and inexpensive by-product of citrus cultivation, on growth performance, carcass characteristics, breast meat quality characteristics and the oxidative stability of breast meat. Eighty 308-d-old Ross male broiler chickens were randomly assigned to four groups. One of the groups served as a control (C) and was given commercial basal diets, whereas the other three groups were given the same diets further supplemented with hesperidin at 1.5 g kg −1 (HE1), or hesperidin at 3.0 g kg −1 (HE2), or α-tocopheryl acetate at 0.2 g kg −1 (VE). At 40 d of age, broilers were fasted for 12 h, weighed and slaughtered. After overnight chilling, carcasses were trimmed for breast fillets by removing skin, bones and connective tissue. The right pectoralis major muscle was used for quality parameters estimation, whereas the left pectoralis major muscle for lipid oxidation measurements. No significant differences were observed after dietary hesperidin or α-tocopheryl acetate supplementation in final body weight (kg), body weight gain (g), feed conversion rate and internal organs weight (g). Shear values (N mm −2 ), intramuscular fat (%) and cooking loss (%) were also not significantly influenced by the dietary treatments. Significant differences were found concerning pH 24 and color parameter values among the treatment groups. Measurement of lipid oxidation values showed that as hesperidin increased in the diet, malondialdehyde values decreased in tissue samples, suggesting that hesperidin particularly at 3 g kg −1 exerted an antioxidant effect on chicken tissues (P<0.01). However, dietary α-tocopheryl acetate supplementation at 0.2 g kg −1 of feed displayed greater antioxidant activity than hesperidin at either supplementation rate (P<0.01). In conclusion, hesperidin, an abundant component of citrus pulp, positively influences meat antioxidative properties without negative implications on growth performance and meat quality characteristics in poultry, thus appearing to be an important additive for both the consumer and the industry.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".