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 9.55
Milk (kg) -229.00 -0.014 3.21
Fat (kg) -9.85 -0.375 3.69
Prot (kg) -6.01 -0.441 2.65
Fertility Sub Index -4.04
Calving Interval (days) 3.08 -1.459 -4.49
Survival (%) 0.41 1.117 0.46
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -2.19
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 4.34 -0.432 -1.87
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 4.96

* Based on an €80/tonne carbon price