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 19.63
Milk (kg) -399.00 -0.014 5.59
Fat (kg) -20.10 -0.375 7.53
Prot (kg) -14.77 -0.441 6.52
Fertility Sub Index 6.59
Calving Interval (days) -4.14 -1.459 6.04
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -3.53
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 23.43

* Based on an €80/tonne carbon price