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 4.43
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -1.86 -0.375 0.70
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 6.36
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 1.41 1.117 1.58
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.05
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 20.79

* Based on an €80/tonne carbon price