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 -10.06
Milk (kg) 252.00 -0.014 -3.53
Fat (kg) 14.26 -0.375 -5.34
Prot (kg) 2.70 -0.441 -1.19
Fertility Sub Index -3.96
Calving Interval (days) 2.07 -1.459 -3.02
Survival (%) -0.84 1.117 -0.94
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.25
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -12.70

* Based on an €80/tonne carbon price