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 8.76
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -10.29 -0.375 3.85
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 8.36
Calving Interval (days) -4.95 -1.459 7.22
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.40
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price