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 4.05
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index 8.21
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.00
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 20.57

* Based on an €80/tonne carbon price