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 0.65
Milk (kg) -43.00 -0.014 0.60
Fat (kg) 0.58 -0.375 -0.22
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 4.27
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.75
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 14.93

* Based on an €80/tonne carbon price