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 4.59
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index 6.54
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 2.18 1.117 2.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.75
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 20.04

* Based on an €80/tonne carbon price