Dietary Hemp (Cannabis sativa L.) Products Enhance Egg Yolk Omega-3 Fatty Acids and Color Without Compromising Laying-Hen Performance: A Meta-Analysis
Abstract
Simple Summary Hemp (Cannabis sativa L.), a plant known for its healthy fats and natural compounds, is being explored as an alternative feed ingredient, especially for egg-laying hens. This study reviewed results from 21 earlier experiments to understand how feeding hemp to hens affects their performance, the quality of their eggs, and the types of fats found in the yolk. The results found that adding hemp products to the diet did not affect hen performance. However, it did make the egg yolks a richer yellow and red color, and it increased the amount of healthy omega-3 fats, which are good for human health. These findings suggest that hemp can help produce eggs with added health benefits and a more appealing yolk color. However, farmers and feed producers need to be careful with how much hemp they use, especially for younger hens. More research is needed to find the best ways to use hemp in poultry diets to benefit both animals and consumers.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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