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 8.40
Milk (kg) -209.00 -0.014 2.93
Fat (kg) -9.25 -0.375 3.46
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 4.25
Calving Interval (days) -2.39 -1.459 3.49
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.10
Gestation Length (days) 1.20 -0.919 -1.10
Beef Sub Index -4.99
Carcass Weight (kg) 9.60 -0.528 -5.06
Age of Slaughter (days) -0.18 -0.432 0.08
Maintenance Sub Index Maint. Sub Index -2.82
Live WT (kg) 9.20 -0.307 -2.82
Total Carbon Sub Index 3.75

* Based on an €80/tonne carbon price