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 3.84
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -2.68 -0.375 1.00
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 7.44
Calving Interval (days) -3.47 -1.459 5.06
Survival (%) 2.13 1.117 2.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.02
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 18.94

* Based on an €80/tonne carbon price