Effects of Dietary Brewery Spent Grain Inclusion on Egg Laying Performance and Quality Parameters of Bovans Brown Chickens

Abstract

Poultry rations are composed mainly of conventional cereal grains and proteins. Using non-conventional agro-industrial by-products may reduce the cost of production and thereby improve productivity. A study was conducted to evaluate the effect of dietary brewery spent grain inclusion on egg laying performance, quality parameters of bovans brown and profitability of the rations. A total of 200 pullets with similar body weight and age were randomly distributed to five treatments with four replications. The treatments were brewery spent grain (BSG) inclusion of 0, 10, 20, 30 and 40% levels for T1, T2, T3, T4 and T5, respectively. The CP and ME contents of treatment rations were 16.54-17.04% and 2871-2903 kcal/kg DM, respectively. Inclusion of the BSG in the layers ration did not affect dry matter intake, feed conversion efficiency and hen-day egg production (58.79, 57, 56.11, 55.11 and 54.13% (SEM=0.92)). Likewise, the inclusion of the BSG in the diets did not affect (albumen, yolk, shell) quality. However, feed cost decreased with the increasing level of the BSG in the rations because of its lower purchasing price. To conclude, a 40% inclusion of BSG in the diet of layers does not affect the production and the quality of the eggs and it can be economically profitable.

Production and egg quality in chicken layers fed with Tithonia diversifolia

“…Several authors have reported the reduction in the fixed costs of feed due to the inclusion of cheaper inputs in the feed of laying hens, although the reduction in feed costs was not necessarily reflected in higher egg production. (2,24)…”

“…The success and profitability of poultry production depends largely on the cost of feed, which represents 70 % to 80 % of the total cost of production, mainly due to the use of conventional sources of protein and energy. (1) Therefore, the use of alternative inputs in the poultry ration is a good option for successful poultry production, (2) and profitability. In laying poultry, energy and protein in the feed represent the highest nutritional requirements of diets, where corn grain and soybean meal have been the conventional inputs for the supply of those nutrients.…”

“…Calculated as average egg weight, adjusted by the percentage of lay per treatment 2. The economic efficiency is expressed as the dollars returned for each dollar invested.http://veterinariamexico.fmvz.unam.mx…”

Analysis of Price Variations and Integration of Broiler Chicken Eggs Market in West Sumatra

“…The biggest cost (>40%) is the cost of feed. Therefore, farmers need to find alternative cost-efficient feed (Gebremedhn, 2019). The highest CV value in the producer market occurred in 2015, while in the consumer market it occurred in 2018.…”