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 -5.75
Milk (kg) 81.00 -0.014 -1.13
Fat (kg) 7.33 -0.375 -2.75
Prot (kg) 4.23 -0.441 -1.87
Fertility Sub Index -4.93
Calving Interval (days) 2.34 -1.459 -3.41
Survival (%) -1.36 1.117 -1.52
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 1.46
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index -3.68

* Based on an €80/tonne carbon price