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 1.89
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index 3.85
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.17
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 7.58

* Based on an €80/tonne carbon price