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 5.03
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 6.49
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.79
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 22.61

* Based on an €80/tonne carbon price