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 3.98
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -0.52 -0.441 0.23
Fertility Sub Index 6.19
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.90 1.117 2.12
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.33
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 19.91

* Based on an €80/tonne carbon price