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 19.94
Milk (kg) -368.00 -0.014 5.15
Fat (kg) -20.78 -0.375 7.78
Prot (kg) -15.86 -0.441 7.00
Fertility Sub Index 7.36
Calving Interval (days) -4.43 -1.459 6.46
Survival (%) 0.80 1.117 0.89
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -1.80
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 28.13

* Based on an €80/tonne carbon price