Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.38
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -6.94 -0.375 2.60
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 7.83
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 1.99 1.117 2.22
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index 1.34
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 18.88

* Based on an €80/tonne carbon price