ArticleVeterinary medicine and science2025
Using the Technique for Order Preference by Similarity to Ideal Solution to Determine the Best Level of Hydrolysed Feather Powder in Broilers Diet.
Article in Veterinary medicine and science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundFeathers constitute about 5-7 percent of broilers live body weight, and they are bulky waste in poultry slaughterhouses. These wastes are a serious issue that can cause environmental pollution. On the other hand, poultry feathers can be considered as a dietary ingredient to decrease the competition between humans and poultry in consuming corn and soybeans.
objectivesThe aim of this study was to determine the best level of hydrolysed feather powder inclusion in broilers diet by using TOPSIS.
methodsA total of five hundred Arian broiler chicks were used in a completely randomised design with 4 treatments, 5 replicates, and 25 chicks per replicate. Experimental treatments included four levels of hydrolysed feather powder as 0, 3, 6, or 9 % of the diet. The experiment lasted for 42 days. After recording parameters relating to the birds growth performance, carcass characteristics, production index, humoral immunity, heterophil to lymphocyte ratio, multiple attribute decision making (MADM), and the technique for order of preference by similarity to ideal solution (TOPSIS) were used.
resultsConsidering the closeness coefficient, hydrolysed feather at the level of 3 % had the highest coefficient (0.8038); however, hydrolysed feather at the level of 9 % had the lowest coefficient (0.7364).
conclusionsHydrolysed feather can be considered as a protein source in broilers diet that is not used as food for humans, and it will help the circular feed economy. With regard to the multi-attribute decision-making (MADM) method, it is recommended to use 3 % hydrolysed feather in the broilers diet.
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