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 6.03
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -5.19 -0.441 2.29
Fertility Sub Index 8.37
Calving Interval (days) -4.06 -1.459 5.92
Survival (%) 2.19 1.117 2.45
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.80
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 25.76

* Based on an €80/tonne carbon price