In present study, it was aimed to demonstrate the use of profit function regression model as a decision support tool in commercial egg production. According to the estimated model results; all independent variables in the equation have important effects on the profit (Y) per kg eggs (p<0.05). It was concluded that a 1 TL increase in pullet, feed, labour, veterinary medicine and other cost as well as 1 unit increase in feed conversion rate (FCR) and mortality decreased the profit per egg. On the

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... other hand, a 1 TL increase in egg sale price and 1 unit increase in egg yield increased the profit per unit. Production period had no effect on profit per egg. In this context, in addition to the estimation of the expected results of profit function regression model in commercial egg production, it was determined that this function could be used as a decision support tool in conditions where a change seen in price and costs.