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 5.02
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 5.04
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 0.06
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 10.65

* Based on an €80/tonne carbon price