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 3.71
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 6.64
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 1.96 1.117 2.19
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.35
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 20.05

* Based on an €80/tonne carbon price