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 2.29
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -2.13 -0.375 0.80
Prot (kg) -1.01 -0.441 0.45
Fertility Sub Index 6.35
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 1.88 1.117 2.10
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.65
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.69

* Based on an €80/tonne carbon price