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 8.16
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -8.74 -0.375 3.27
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 4.69
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 1.30 1.117 1.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -4.76
Carcass Weight (kg) 6.20 -0.528 -3.27
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 7.57

* Based on an €80/tonne carbon price