TY - JOUR T1 - Economic Efficiency of Producing Meat Products of Male Layer-Type Chickens Raised in Bulgaria JO - Brazilian Journal of Poultry Science A1 - Dimov, K A1 - Petkov, E A1 - Popova, T A1 - Ignatova, M SN - 1516-635X UL - 10.1590/1806-9061-2023-1837 VL - 26 Y1 - 2024 PB - Brasil ER -