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 4.89
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -3.33 -0.375 1.25
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 7.50
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 1.42 1.117 1.59
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 3.13
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 21.42

* Based on an €80/tonne carbon price