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 2.98
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 4.45
Calving Interval (days) -2.27 -1.459 3.31
Survival (%) 1.02 1.117 1.14
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.29
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 19.10

* Based on an €80/tonne carbon price