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 23.16
Milk (kg) -711.00 -0.014 9.95
Fat (kg) -15.04 -0.375 5.63
Prot (kg) -17.16 -0.441 7.57
Fertility Sub Index 6.83
Calving Interval (days) -4.20 -1.459 6.13
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 1.26
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 35.26

* Based on an €80/tonne carbon price