Abstract
This study proposes to undertake an economic assessment of the inclusion of different levels of distillers dried grains with solubles (DDGS) in diets for pigs in different production stages and categories (growing and finishing), namely: barrows fed diets containing 0 or 20% DDGS; and finishing barrows and sows fed diets containing 0, 10, 20, and 30% DDGS. A sensitivity analysis was performed on the price of corn in three simulated scenarios with different revenue systems: an optimistic scenario (lowest price); a regular scenario (medium price); and a pessimistic scenario (highest price). Inclusion of DDGS in the swine diet can reduce feeding costs and improve the profitability of production, about finishing males and females, the profit per kilogram of weight gain (US$/kg) were better in 10% of DDGS inclusion, 0.23, 0.28 respectively, but for growing and finishing, it was smaller in 20% (0.32 US$/kg) of DDGS inclusion than the 0% control treatment (0.33 US$/KG). The inclusion of DDGS must be carefully planned, since its use may depress animal performance and its inclusion is linked to the costs of the other ingredients that make up the diet.
Highlights
Brazil is considered a world pioneer in the use of biofuels and 8 renewable energy
The present study proposes to set about an economic evaluation of the use of dried grains with solubles (DDGS) partially replacing corn and soybean meal in swine diets
In the diets fed to the growing and finishing animals (Table 1), 20% DDGS inclusion led to a drop of US$ 27.24 (2.44%) in revenues, due to the lower animal performance
Summary
Brazil is considered a world pioneer in the use of biofuels and 8 renewable energy. About 45% of the energy and 18% of the fuels consumed in the country are 9 from renewable sources, while in the world 86% of what is consumed comes from 10 non-renewable energy sources (ANP, 2015).The country is the world's largest producer of sugarcane, so distillation from it predominates, both for its high availability and for its energy efficiency. In the diets fed to the growing and finishing animals (Table 1), 20% DDGS inclusion led to a drop of US$ 27.24 (2.44%) in revenues, due to the lower animal performance.
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