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 2.37
Milk (kg) -121.00 -0.014 1.69
Fat (kg) 0.47 -0.375 -0.18
Prot (kg) -1.92 -0.441 0.85
Fertility Sub Index 7.87
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 2.00 1.117 2.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.47
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 20.59

* Based on an €80/tonne carbon price