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 8.05
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -9.49 -0.375 3.55
Prot (kg) -8.05 -0.441 3.55
Fertility Sub Index 7.16
Calving Interval (days) -5.78 -1.459 8.43
Survival (%) -1.14 1.117 -1.27
Calving Sub Index -2.73
Gestation Length (days) 2.97 -0.919 -2.73
Beef Sub Index 3.04
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -3.14 -0.432 1.36
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 18.79

* Based on an €80/tonne carbon price