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 4.97
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -8.09 -0.375 3.03
Prot (kg) -0.99 -0.441 0.44
Fertility Sub Index 6.64
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 1.87 1.117 2.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.69
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 22.47

* Based on an €80/tonne carbon price