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 2.09
Milk (kg) -76.00 -0.014 1.06
Fat (kg) 2.76 -0.375 -1.03
Prot (kg) -4.67 -0.441 2.06
Fertility Sub Index 0.37
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.02 1.117 0.02
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 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 3.93

* Based on an €80/tonne carbon price