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 3.37
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 1.23
Calving Interval (days) 0.14 -1.459 -0.20
Survival (%) 1.28 1.117 1.43
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index 0.00
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 8.58

* Based on an €80/tonne carbon price