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 11.76
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -10.84 -0.375 4.06
Prot (kg) -12.47 -0.441 5.50
Fertility Sub Index 2.26
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.76 1.117 0.85
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index -0.53
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 5.27 -0.432 -2.28
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 13.54

* Based on an €80/tonne carbon price