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 9.78
Milk (kg) -199.00 -0.014 2.79
Fat (kg) -11.09 -0.375 4.15
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 7.93
Calving Interval (days) -4.85 -1.459 7.08
Survival (%) 0.76 1.117 0.85
Calving Sub Index -4.15
Gestation Length (days) 4.51 -0.919 -4.15
Beef Sub Index 4.50
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) -3.09 -0.432 1.33
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 23.27

* Based on an €80/tonne carbon price