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 1.82
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -0.83 -0.375 0.31
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 6.04
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.01 1.117 0.01
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index 1.53
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index -0.98
Live WT (kg) 3.20 -0.307 -0.98
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price