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 6.20
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index -2.54
Calving Interval (days) 0.85 -1.459 -1.24
Survival (%) -1.16 1.117 -1.30
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index -1.57
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 5.02

* Based on an €80/tonne carbon price