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 -3.78
Milk (kg) -14.00 -0.014 0.20
Fat (kg) 10.24 -0.375 -3.84
Prot (kg) 0.31 -0.441 -0.14
Fertility Sub Index 5.87
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 2.28 1.117 2.55
Calving Sub Index 1.78
Gestation Length (days) -1.94 -0.919 1.78
Beef Sub Index 2.71
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 7.48

* Based on an €80/tonne carbon price