314 Dehydrated Garlic Powder Did Not Influence Enteric Gas Fluxes in Feedlot Steers
Notice bibliographique
Résumé
Abstract This 2-yr study was conducted to evaluate the biochemical profiles of commercial dehydrated garlic powder (DGP) and its associated influence on enteric gas fluxes, mineral intake, and body performance at a 5% inclusion level. The DGP was assessed for the stability of the bioactive compounds, especially those responsible for garlic flavor. Each year, resealed (NE) and exposed-to-air (E) DGPs were sampled serially in storage at months 0, 1, 2, and 3. Crossbred steers (n = 40 in year 1; n = 80 in year 2) were assigned to either 5%DGP or 0%DGP treatment group in a randomized complete block design, balancing for initial body weight and breed composition. Feed and supplement intakes for individual animals were monitored using an automatic feeding system. Each year, steers were fed high-grain rations in feed bunks separate from mineral supplement bunks on a free-choice basis over 72 and 82 days, respectively. Methane (CH4), carbon dioxide (CO2), oxygen (O2), and hydrogen (H2) fluxes were also measured using an automatic head-chamber emission monitoring system. Data were analyzed using a linear model in R software with year and treatment as fixed effects. Organosulfur compounds were quantified using Ultra-Performance Liquid Chromatography and Gas Chromatography. No differences (P > 0.05) were observed for allicin, allyl methyl sulfide, dimethyl trisulfide, allyl propyl disulfide, diallyl disulfide, and diallyl trisulfide concentrations in NE-DGP. In E-DGP, the greatest (P < 0.05) concentrations of allicin, diallyl sulfide, and 2-vinyl-4H-1,3-dithiin were recorded at month 1, while other compounds remained stable (P > 0.05) throughout storage months. There were no differences (P > 0.05) in dry matter intake, average daily gain, and the gain-to-feed ratio between 5%DGP and 0%DGP groups. Garlic supplementation did not also influence (P > 0.05) body composition (ribeye area, intramuscular fat, rump fat thickness, and rib fat thickness) of steers, but supplement intake was higher (P < 0.0001) in 5%DGP (204.31 gd-1) compared with 0%DGP (148.04 gd-1) group. There were no differences in the enteric fluxes from 0%DGP and 5%DGP groups for CO2 (8854.04 g·d-1, 9322.69 g·d-1; P = 0.12), CH4 (139.75 g·d-1, 154.12 g·d-1; P = 0.29), O2 (6327.84 g·d-1, 9107.30 g·d-1; P = 0.27) and H2 (0.87 g·d-1, 0. g·d-1; P = 0.17). Results suggest that organosulfur compounds in dehydrated garlic powder can be stable and contributed to enhanced mineral supplement intake of feedlot cattle but did not affect enteric gas fluxes and body performance.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,002 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,001 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».