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 12.22
Milk (kg) -266.00 -0.014 3.72
Fat (kg) -13.88 -0.375 5.20
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index 12.24
Calving Interval (days) -6.68 -1.459 9.75
Survival (%) 2.23 1.117 2.49
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index -0.43
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 28.13

* Based on an €80/tonne carbon price