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 8.12
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -7.00 -0.375 2.62
Prot (kg) -6.46 -0.441 2.85
Fertility Sub Index 3.75
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.58
Gestation Length (days) 0.63 -0.919 -0.58
Beef Sub Index 0.24
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 14.69

* Based on an €80/tonne carbon price