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 10.47
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -7.09 -0.375 2.66
Prot (kg) -10.69 -0.441 4.72
Fertility Sub Index 2.70
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.63 1.117 0.70
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.64
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 15.14

* Based on an €80/tonne carbon price