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 6.68
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -0.57 -0.375 0.21
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index 4.19
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.38
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 18.93

* Based on an €80/tonne carbon price