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 5.62
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 1.15
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 1.08 1.117 1.21
Calving Sub Index -2.08
Gestation Length (days) 2.26 -0.919 -2.08
Beef Sub Index -2.47
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price