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 4.13
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -3.50 -0.375 1.31
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 5.81
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 1.37 1.117 1.53
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.55
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 19.68

* Based on an €80/tonne carbon price