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 4.06
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -3.57 -0.441 1.58
Fertility Sub Index 7.35
Calving Interval (days) -4.60 -1.459 6.71
Survival (%) 0.57 1.117 0.64
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 2.63
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) -0.60 -0.432 0.26
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 17.86

* Based on an €80/tonne carbon price