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 6.09
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -5.76 -0.375 2.16
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index 4.79
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 1.47 1.117 1.64
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.89
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 20.63

* Based on an €80/tonne carbon price