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 1.70
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -4.23 -0.375 1.58
Prot (kg) 0.60 -0.441 -0.26
Fertility Sub Index 5.75
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 1.75 1.117 1.96
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -3.35
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 6.30 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 6.81

* Based on an €80/tonne carbon price