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 12.17
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -13.53 -0.375 5.07
Prot (kg) -10.26 -0.441 4.53
Fertility Sub Index 6.13
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.84 1.117 2.06
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -2.08
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 7.13 -0.432 -3.08
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 20.69

* Based on an €80/tonne carbon price