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 13.69
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -16.76 -0.375 6.28
Prot (kg) -12.07 -0.441 5.33
Fertility Sub Index 4.67
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 1.41 1.117 1.58
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index -1.46
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 5.47 -0.432 -2.36
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 21.65

* Based on an €80/tonne carbon price