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 0.95
Milk (kg) -64.00 -0.014 0.90
Fat (kg) 3.98 -0.375 -1.49
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index 0.55
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.09
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 5.10

* Based on an €80/tonne carbon price