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 6.46
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -4.23 -0.375 1.58
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 5.59
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 0.65
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 14.93

* Based on an €80/tonne carbon price