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 7.80
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -6.48 -0.375 2.43
Prot (kg) -7.63 -0.441 3.37
Fertility Sub Index 1.70
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.08
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 10.39

* Based on an €80/tonne carbon price