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 10.94
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -8.03 -0.375 3.01
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index 4.09
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 0.06 1.117 0.07
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 1.51
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 19.89

* Based on an €80/tonne carbon price