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[Glycerol as a feed ingredient for broiler chickens]
A Simon1, H Bergner, M Schwabe
1Institut für Grundlagen der Nutztierwissenschaften, Fachgebiet Tierernährung, Humboldt-Universität zu Berlin, Germany.
Archiv Fur Tierernahrung
|January 1, 1996
Summary
Supplementing broiler chicken feed with 5-10% glycerol improved weight gain and feed conversion. Higher glycerol levels (20-25%) reduced performance and caused adverse health effects in broiler chickens.
Area of Science:
- Animal Nutrition
- Poultry Science
- Feed Additives
Context:
- Glycerol is a byproduct of biodiesel production, offering a potential sustainable feed ingredient for livestock.
- Optimizing glycerol inclusion levels is crucial to balance potential benefits with adverse effects in broiler diets.
Purpose:
- To evaluate the effects of varying dietary glycerol concentrations on the performance and nitrogen balance of broiler chickens.
- To determine the optimal inclusion level of glycerol in broiler feed for improved growth and feed efficiency.
Summary:
- A study involving 90 broiler chickens investigated diets supplemented with 0-25% glycerol. Optimal weight gain and feed conversion ratios were observed with 5-10% glycerol inclusion.
- While 5-10% glycerol supplementation showed positive trends in performance, higher levels (20-25%) led to decreased weight gain, poorer feed conversion, and pathological changes in organs.
Impact:
- Dietary supplementation of 5-10% glycerol appears beneficial for broiler chicken nutrition, enhancing performance metrics.
- Excessive glycerol inclusion (>20%) negatively impacts broiler health and productivity, highlighting the importance of dose-dependent effects.