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 -5.38
Milk (kg) 31.00 -0.014 -0.43
Fat (kg) 6.93 -0.375 -2.60
Prot (kg) 5.32 -0.441 -2.35
Fertility Sub Index 1.85
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 1.09 1.117 1.22
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.34
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 4.53

* Based on an €80/tonne carbon price