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 4.53
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 8.04
Calving Interval (days) -4.23 -1.459 6.17
Survival (%) 1.67 1.117 1.87
Calving Sub Index 1.42
Gestation Length (days) -1.54 -0.919 1.42
Beef Sub Index 0.03
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.35 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 16.60

* Based on an €80/tonne carbon price