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 14.48
Milk (kg) -342.00 -0.014 4.79
Fat (kg) -12.20 -0.375 4.57
Prot (kg) -11.61 -0.441 5.12
Fertility Sub Index 8.00
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 1.79 1.117 2.00
Calving Sub Index -1.00
Gestation Length (days) 1.09 -0.919 -1.00
Beef Sub Index 1.95
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 26.76

* Based on an €80/tonne carbon price