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 16.23
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -17.52 -0.375 6.56
Prot (kg) -14.52 -0.441 6.41
Fertility Sub Index 6.06
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.11
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 27.11

* Based on an €80/tonne carbon price