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 2.44
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.21 -0.375 0.83
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 6.14
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.84 1.117 2.06
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.19
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.23 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 17.26

* Based on an €80/tonne carbon price