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 7.88
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -8.40 -0.375 3.15
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index -1.40
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) 0.26 1.117 0.29
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index 0.31
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 12.48

* Based on an €80/tonne carbon price