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 6.45
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -6.21 -0.441 2.74
Fertility Sub Index 8.72
Calving Interval (days) -5.03 -1.459 7.34
Survival (%) 1.24 1.117 1.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.69
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 26.23

* Based on an €80/tonne carbon price