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 9.53
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -9.38 -0.375 3.51
Prot (kg) -9.22 -0.441 4.07
Fertility Sub Index 2.84
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 0.33
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 12.92

* Based on an €80/tonne carbon price