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 2.61
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -0.99 -0.375 0.37
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 7.01
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 1.94 1.117 2.17
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.54
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 19.94

* Based on an €80/tonne carbon price