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 2.99
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.23 -0.375 0.46
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 5.92
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.71 1.117 1.91
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.28
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 18.47

* Based on an €80/tonne carbon price