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 10.71
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -11.84 -0.375 4.43
Prot (kg) -8.76 -0.441 3.87
Fertility Sub Index 6.16
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 1.95 1.117 2.18
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.33
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price