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 1.21
Milk (kg) -78.00 -0.014 1.09
Fat (kg) 0.79 -0.375 -0.30
Prot (kg) -0.93 -0.441 0.41
Fertility Sub Index 5.25
Calving Interval (days) -2.44 -1.459 3.56
Survival (%) 1.51 1.117 1.69
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.26
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 15.36

* Based on an €80/tonne carbon price