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 11.35
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -12.16 -0.375 4.55
Prot (kg) -10.23 -0.441 4.52
Fertility Sub Index 1.38
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.99
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 13.13

* Based on an €80/tonne carbon price