Nutritional value of diets for broiler chickens as affected by fat source, amylose level and diet processing
Bibliographic record
Abstract
Two experiments were conducted to investigate effects of fat source, fat level, amylose level and processing technique on technical pellet quality and broiler performance. In both experiments wheat-barley-based diets were either pelleted or expanded and pelleted using the same production conditions. In exp. 1 soy oil and akofeed fat at inclusion levels of 25 and 50 g kg -1 , respectively, were tested. Akofeed fat containing diets resulted in significant (P < 0.001) improvement in pellet durability compared with soy oil containing diets under both processing methods and both fat levels. As a consequence of higher content of amylose-lipid complexes, feeding the akofeed fat containing diets resulted in significant reduction (P < 0.05) of starch digestibility at jejunual level. In exp. 2, three barley cultivars with varying amylose content were tested. Total tract starch digestibility was higher (P < 0.0001) for normal amylose (NA) containing diets compared with low amylose (LA) and high amylose (HA) containing diets. In vitro results, however, showed highest starch degradation for LA diets compared with NA and HA diets, indicating that the in vitro method did not seem to be a good predictor of starch digestibility for broiler chickens. Key words: Starch; Barley; Amylose-lipid complex; Akofeed fat; Soy oil; Expander-pelleting treatment
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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 | 0.001 |
| 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".