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 6.03
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.76 -0.375 2.91
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 6.99
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 2.43 1.117 2.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.39
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 19.72

* Based on an €80/tonne carbon price