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 2.87
Milk (kg) -72.00 -0.014 1.01
Fat (kg) 4.51 -0.375 -1.69
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index 1.77
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 0.58
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 6.48

* Based on an €80/tonne carbon price