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 25.19
Milk (kg) -506.00 -0.014 7.08
Fat (kg) -26.65 -0.375 9.98
Prot (kg) -18.41 -0.441 8.13
Fertility Sub Index 6.85
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.75
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -1.23 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 44.63

* Based on an €80/tonne carbon price