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 6.57
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -7.43 -0.375 2.78
Prot (kg) -3.78 -0.441 1.67
Fertility Sub Index 7.94
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 2.34 1.117 2.61
Calving Sub Index -1.68
Gestation Length (days) 1.83 -0.919 -1.68
Beef Sub Index -2.96
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 5.63 -0.432 -2.43
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 13.95

* Based on an €80/tonne carbon price