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 6.62
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -7.47 -0.375 2.80
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 11.83
Calving Interval (days) -7.12 -1.459 10.39
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.38
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) -1.07 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 25.68

* Based on an €80/tonne carbon price