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 13.75
Milk (kg) -274.00 -0.014 3.84
Fat (kg) -13.42 -0.375 5.03
Prot (kg) -11.08 -0.441 4.89
Fertility Sub Index 5.47
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 1.06
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -0.87 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 22.40

* Based on an €80/tonne carbon price