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 12.68
Milk (kg) -242.00 -0.014 3.39
Fat (kg) -11.56 -0.375 4.33
Prot (kg) -11.24 -0.441 4.96
Fertility Sub Index 6.17
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index 0.21
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -2.68 -0.432 1.16
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price