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 4.38
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 2.74
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) -0.41 1.117 -0.46
Calving Sub Index -3.22
Gestation Length (days) 3.50 -0.919 -3.22
Beef Sub Index -0.66
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 3.30

* Based on an €80/tonne carbon price