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 34.62
Milk (kg) -611.00 -0.014 8.55
Fat (kg) -30.62 -0.375 11.47
Prot (kg) -33.07 -0.441 14.60
Fertility Sub Index 6.62
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.53
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 45.68

* Based on an €80/tonne carbon price