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 6.58
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -6.11 -0.441 2.70
Fertility Sub Index 3.84
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.73 1.117 0.82
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 1.23
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 13.51

* Based on an €80/tonne carbon price