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 -5.13
Milk (kg) -17.00 -0.014 0.24
Fat (kg) 13.00 -0.375 -4.87
Prot (kg) 1.13 -0.441 -0.50
Fertility Sub Index -7.17
Calving Interval (days) 4.33 -1.459 -6.32
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 1.34
Gestation Length (days) -1.46 -0.919 1.34
Beef Sub Index 2.19
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -2.38 -0.432 1.03
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index -11.21

* Based on an €80/tonne carbon price