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 9.22
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -11.22 -0.375 4.20
Prot (kg) -7.68 -0.441 3.39
Fertility Sub Index 9.53
Calving Interval (days) -5.32 -1.459 7.76
Survival (%) 1.58 1.117 1.77
Calving Sub Index -0.06
Gestation Length (days) 0.06 -0.919 -0.06
Beef Sub Index 1.70
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -1.13 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 7.91
Live WT (kg) -25.80 -0.307 7.91
Total Carbon Sub Index 28.29

* Based on an €80/tonne carbon price