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 7.12
Milk (kg) -338.00 -0.014 4.73
Fat (kg) 1.00 -0.375 -0.37
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index 3.87
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 1.79 1.117 2.00
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 4.26
Carcass Weight (kg) -16.30 -0.528 8.60
Age of Slaughter (days) 10.05 -0.432 -4.34
Maintenance Sub Index Maint. Sub Index 14.78
Live WT (kg) -48.20 -0.307 14.78
Total Carbon Sub Index 30.25

* Based on an €80/tonne carbon price