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 17.47
Milk (kg) -403.00 -0.014 5.64
Fat (kg) -15.05 -0.375 5.64
Prot (kg) -14.03 -0.441 6.19
Fertility Sub Index 3.66
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 1.93 1.117 2.16
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -2.91
Carcass Weight (kg) 5.10 -0.528 -2.69
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 19.60

* Based on an €80/tonne carbon price