Experimental treatments: Experimental diets are based on 3 initial stages (1 to 10 days old), growth (11 to 21 days) and final stages (22 to 42 days) and are based on corn and soy and in the form of pellets. The treatments, as presented in Table 1, include the control diet of Sepidmakian (room 2) and the treatment with copal herbal supplement (room 1) of Sepidkanar farm.

Results: 69 grams of weight gain on average with a dose of 4 kilos per ton using copal herbal supplement