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 5.55
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -5.69 -0.375 2.13
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 6.05
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.81 1.117 2.02
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.04
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 20.68

* Based on an €80/tonne carbon price