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 -9.00
Milk (kg) 239.00 -0.014 -3.35
Fat (kg) 7.72 -0.375 -2.89
Prot (kg) 6.25 -0.441 -2.76
Fertility Sub Index -6.94
Calving Interval (days) 3.19 -1.459 -4.65
Survival (%) -2.05 1.117 -2.29
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.06
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -14.60

* Based on an €80/tonne carbon price