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 25.56
Milk (kg) -461.00 -0.014 6.45
Fat (kg) -26.29 -0.375 9.85
Prot (kg) -20.98 -0.441 9.26
Fertility Sub Index 9.07
Calving Interval (days) -5.45 -1.459 7.95
Survival (%) 1.00 1.117 1.12
Calving Sub Index 1.11
Gestation Length (days) -1.21 -0.919 1.11
Beef Sub Index 0.88
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 40.51

* Based on an €80/tonne carbon price