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 1.00
Milk (kg) -51.00 -0.014 0.71
Fat (kg) 0.10 -0.375 -0.04
Prot (kg) -0.74 -0.441 0.33
Fertility Sub Index 6.55
Calving Interval (days) -3.06 -1.459 4.46
Survival (%) 1.87 1.117 2.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.44
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 17.61

* Based on an €80/tonne carbon price