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 3.70
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -1.99 -0.375 0.75
Prot (kg) -1.61 -0.441 0.71
Fertility Sub Index 11.08
Calving Interval (days) -5.25 -1.459 7.66
Survival (%) 3.06 1.117 3.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.21
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 5.98 -0.432 -2.58
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 19.36

* Based on an €80/tonne carbon price