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 3.00
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -1.69 -0.441 0.75
Fertility Sub Index 6.84
Calving Interval (days) -3.72 -1.459 5.43
Survival (%) 1.26 1.117 1.41
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.55
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price