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 1.92
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -0.21 -0.441 0.09
Fertility Sub Index 8.11
Calving Interval (days) -4.09 -1.459 5.97
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 19.68

* Based on an €80/tonne carbon price