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 -1.50
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 1.65 -0.375 -0.62
Prot (kg) 2.13 -0.441 -0.94
Fertility Sub Index 7.43
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 1.30 1.117 1.45
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.09
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 13.14

* Based on an €80/tonne carbon price