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Effects of Cassava (Manihot Esculenta Crantz) Root Meal in Diets Containing Corn Dried Distillers Grains With Solubles on Production Performance, Egg Quality, and Excreta Noxious Gas Emission in Laying Hens

Lei, X. J; Park, J. H; Hosseindoust, A; Kim, I. H.
R. bras. Ci. avíc.; 19(2): 239-246, abr.-jun. 2017. graf, tab
Artigo em Inglês | VETINDEX | ID: vti-16973

Resumo

This study was conducted to evaluate effects of cassava (Manihot esculenta Crantz) root meal (CRM) in laying hen diets containing corn dried distiller grains with soluble (DDGS) on production performance, egg quality, and excreta noxious gas emission. Two hundred and forty Hy-Line brown laying hens (40 weeks of age) were randomly divided into 1 of 4 dietary treatments (10 replications with 6 hens per replication) for 6 weeks. The dietary treatments were as follows: 1) corn-based diet (CON); 2) diet containing 10% CRM and 8% DDGS (CRM10); 3) diet containing 20% CRM and 8% DDGS (CRM20); 4) diet containing 30% CRM and 8% DDGS (CRM30). The inclusion of 30% CRM in the diet containing 8% DDGS significantly decreased (p 0.05) average daily feed intake (ADFI), egg production, and feed conversion ratio. Increasing the level of CRM in laying hen diets did not affect (p>0.05) the egg quality with the exception of decreased (p 0.05) egg yolk color when 30% of CRM was included in laying hens diet. CRM20 and CRM30 dietary treatments tended to decrease ammonia emission compared with CON dietary treatment (p=0.08). In conclusion, the results of the current study demonstrated that CRM may be incorporated to a concentration of 20% in laying hen diets containing 8% DDGS without detrimental effects on production performance and egg quality. Furthermore, the addition of 20% and 30% CRM in laying hen diets containing 8% DDGS tended to reduce the excreta ammonia emission.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1