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 6.07
Milk (kg) -247.00 -0.014 3.46
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 4.06
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) -0.87 1.117 -0.97
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index 1.40
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) -2.87 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 13.77

* Based on an €80/tonne carbon price