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 4.30
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 5.99
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 1.74
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.13 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 16.49

* Based on an €80/tonne carbon price