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 9.86
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -10.69 -0.375 4.00
Prot (kg) -8.01 -0.441 3.54
Fertility Sub Index 11.79
Calving Interval (days) -7.57 -1.459 11.04
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index 1.23
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -1.15 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 26.87

* Based on an €80/tonne carbon price