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 10.28
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -9.42 -0.375 3.53
Prot (kg) -7.90 -0.441 3.49
Fertility Sub Index 6.64
Calving Interval (days) -4.23 -1.459 6.17
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index -0.13
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 19.96

* Based on an €80/tonne carbon price