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 1.04
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -0.51 -0.375 0.19
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 8.33
Calving Interval (days) -4.82 -1.459 7.03
Survival (%) 1.16 1.117 1.30
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index 2.94
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 18.30

* Based on an €80/tonne carbon price