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 3.79
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -5.48 -0.375 2.05
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index 6.30
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 2.07 1.117 2.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.28
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 21.31

* Based on an €80/tonne carbon price