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 11.15
Milk (kg) -255.00 -0.014 3.57
Fat (kg) -11.86 -0.375 4.44
Prot (kg) -7.12 -0.441 3.14
Fertility Sub Index 4.12
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 0.75 1.117 0.84
Calving Sub Index -1.21
Gestation Length (days) 1.32 -0.919 -1.21
Beef Sub Index -4.20
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) 3.63 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 10.10

* Based on an €80/tonne carbon price