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 1.04
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -0.51 -0.375 0.19
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 8.45
Calving Interval (days) -4.88 -1.459 7.12
Survival (%) 1.19 1.117 1.33
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index 2.88
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 18.45

* Based on an €80/tonne carbon price