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 13.69
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -13.59 -0.375 5.09
Prot (kg) -10.04 -0.441 4.43
Fertility Sub Index 7.55
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.70
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 28.98

* Based on an €80/tonne carbon price