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 3.48
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -2.60 -0.375 0.97
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index 8.36
Calving Interval (days) -4.74 -1.459 6.92
Survival (%) 1.29 1.117 1.44
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 2.63
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 20.12

* Based on an €80/tonne carbon price