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 3.00
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -0.93 -0.441 0.41
Fertility Sub Index 5.58
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 1.25 1.117 1.40
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.22
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 17.74

* Based on an €80/tonne carbon price