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 12.59
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -10.93 -0.375 4.09
Prot (kg) -15.63 -0.441 6.90
Fertility Sub Index 6.61
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.26
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 23.14

* Based on an €80/tonne carbon price