پردیس کشاورزی و منابع طبیعی دانشگاه تهران Iranian Journal of animal Science 2008-4773 56 4 2025 12 22 Effects of vitamin and trace mineral content in feed of broiler breeder hen on their progeny growth, immunity response and bone mineralization parameters Effects of vitamin and trace mineral content in feed of broiler breeder hen on their progeny growth, immunity response and bone mineralization parameters 915 936 103331 10.22059/ijas.2025.390302.654060 FA Ramin Valizadeh Department of Animal Sciences, Faculty of Agriculture, University of Tabriz, East Azerbaijan, Tabriz City 0009-0001-2873-9363 Hossein Janmohammadi , Department of Animal Sciences, Faculty of Agriculture, University of Tabriz, Iran. 0000-0002-2273-9995 Akbar Tagizadeh Department of Animal Sciences, Faculty of Agriculture, University of Tabriz, Iran 0000-0002-9120-1662 Mojtaba Zaghari Department of Animal Sciences, Faculty of Agriculture, University of Tehran, Iran. 0000-0003-4440-3584 Ruhollah Kianfar Department of Animal Sciences, Faculty of Agriculture, University of Tabriz, Iran. 0000-0003-3950-8963 Journal Article 2025 02 20 This experiment was conducted to investigate the effects of different levels of vitamins and trace minerals recommendations in broiler breeder hens on growth performance, immunity response and bone parameters in the progeny. 520 broiler breeder hens aged 50 weeks were used for 12 weeks in a completely randomized design with 13 treatments and 4 replications, with 10 hens in each replication, and one rooster for every 10 hens. The experimental treatments included two dietary nutrient recommendation based on Ross 308 parent stock and 4th Brazilian tables for poultry, three levels of 100, 80, and 60 percent vitamins and trace minerals based on Ross recommendation, and two levels of 100, 80 vitamins and trace minerals based on Brazilian table recommendations '. Experimental treatments included T1(RM100, RV100), T2(RM80, RV100), T3(RM60, RV100), T4(RM100, RV80), T5(RM80, RV80), T6(RM60, RV80), T7(RM100, RV60), T8(RM80, RV60), T9(RM60, RV60), T10(BM100, BV100), T11(BM80, BV100), T12(BM100, BV80) and T13(BM80, BV80). Then, the progenies from each treatment were hatched and penned separately and raised for 35 days under standard conditions. The level of vitamins and minerals consumed in the diet of progeny was 50% of the Ross-broiler recommendations (2021). The results showed that the average feed intake from (ADFI) 1 to 35 days of age, femur diaphysis diameter, daily weight gain from (ADG) 1 to 35 days of age, and feed conversion ratio corrected for initial weight from (FCRC) 1 to 35 days of age were statistically significantly different between the experimental diets (P<0.05). Similarly, the effect of the experimental treatments on one-day-old chick weight, femur weight, bone ash percentage, bone density index, influenza and Newcastle disease titers was not significant (P>0.05). In addition, the results showed that the femur breaking force was significantly different between the experimental treatments (P<0.05). The results also showed that the level of immunoglobulin M in treatment T3(RM60, RV100) was significantly higher than treatments T1(RM100, RV100), T8(RM80, RV60) and T13(BM80, BV80). The results also showed that statistically, treatment T3(RM60, RV100) had a higher immunoglobulin T titer than other treatments (P<0.05). Overall, the best response based on hemorrhagic immune response was observed in treatment 3 (RM60, RV100), based on femur strength index in treatment 2 (RM80, RV100), and based on feed conversion ratio (1-35 days of age), in treatment 13 (BM80, BV80). This experiment was conducted to investigate the effects of different levels of vitamins and trace minerals recommendations in broiler breeder hens on growth performance, immunity response and bone parameters in the progeny. 520 broiler breeder hens aged 50 weeks were used for 12 weeks in a completely randomized design with 13 treatments and 4 replications, with 10 hens in each replication, and one rooster for every 10 hens. The experimental treatments included two dietary nutrient recommendation based on Ross 308 parent stock and 4th Brazilian tables for poultry, three levels of 100, 80, and 60 percent vitamins and trace minerals based on Ross recommendation, and two levels of 100, 80 vitamins and trace minerals based on Brazilian table recommendations '. Experimental treatments included T1(RM100, RV100), T2(RM80, RV100), T3(RM60, RV100), T4(RM100, RV80), T5(RM80, RV80), T6(RM60, RV80), T7(RM100, RV60), T8(RM80, RV60), T9(RM60, RV60), T10(BM100, BV100), T11(BM80, BV100), T12(BM100, BV80) and T13(BM80, BV80). Then, the progenies from each treatment were hatched and penned separately and raised for 35 days under standard conditions. The level of vitamins and minerals consumed in the diet of progeny was 50% of the Ross-broiler recommendations (2021). The results showed that the average feed intake from (ADFI) 1 to 35 days of age, femur diaphysis diameter, daily weight gain from (ADG) 1 to 35 days of age, and feed conversion ratio corrected for initial weight from (FCRC) 1 to 35 days of age were statistically significantly different between the experimental diets (P<0.05). Similarly, the effect of the experimental treatments on one-day-old chick weight, femur weight, bone ash percentage, bone density index, influenza and Newcastle disease titers was not significant (P>0.05). In addition, the results showed that the femur breaking force was significantly different between the experimental treatments (P<0.05). The results also showed that the level of immunoglobulin M in treatment T3(RM60, RV100) was significantly higher than treatments T1(RM100, RV100), T8(RM80, RV60) and T13(BM80, BV80). The results also showed that statistically, treatment T3(RM60, RV100) had a higher immunoglobulin T titer than other treatments (P<0.05). Overall, the best response based on hemorrhagic immune response was observed in treatment 3 (RM60, RV100), based on femur strength index in treatment 2 (RM80, RV100), and based on feed conversion ratio (1-35 days of age), in treatment 13 (BM80, BV80). https://ijas.ut.ac.ir/article_103331_1621144014ea9a814b61ec88edd0cc36.pdf