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 25.84
Milk (kg) -534.00 -0.014 7.48
Fat (kg) -21.74 -0.375 8.14
Prot (kg) -23.15 -0.441 10.22
Fertility Sub Index 6.82
Calving Interval (days) -4.01 -1.459 5.85
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.04
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 36.51

* Based on an €80/tonne carbon price