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 7.45
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -7.63 -0.441 3.37
Fertility Sub Index 6.41
Calving Interval (days) -3.87 -1.459 5.65
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 0.28
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 18.04

* Based on an €80/tonne carbon price