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 -6.80
Milk (kg) 160.00 -0.014 -2.24
Fat (kg) 5.19 -0.375 -1.94
Prot (kg) 5.92 -0.441 -2.61
Fertility Sub Index 0.09
Calving Interval (days) 0.29 -1.459 -0.42
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 0.23
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 7.77 -0.432 -3.35
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index -6.55

* Based on an €80/tonne carbon price