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 10.70
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -15.55 -0.375 5.82
Prot (kg) -8.88 -0.441 3.92
Fertility Sub Index 5.20
Calving Interval (days) -3.41 -1.459 4.98
Survival (%) 0.20 1.117 0.22
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 0.26
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 21.54

* Based on an €80/tonne carbon price