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 8.68
Milk (kg) -284.00 -0.014 3.98
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -7.36 -0.441 3.25
Fertility Sub Index 6.51
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 2.03 1.117 2.27
Calving Sub Index 0.43
Gestation Length (days) -0.47 -0.919 0.43
Beef Sub Index 0.86
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 22.46

* Based on an €80/tonne carbon price