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 6.53
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -9.18 -0.375 3.44
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 7.17
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 0.40
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 16.93

* Based on an €80/tonne carbon price