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 0.33
Milk (kg) -128.00 -0.014 1.79
Fat (kg) 4.15 -0.375 -1.55
Prot (kg) -0.20 -0.441 0.09
Fertility Sub Index 9.29
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 2.41 1.117 2.69
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.44
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 20.96

* Based on an €80/tonne carbon price