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 3.34
Milk (kg) 35.00 -0.014 -0.49
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -4.61 -0.441 2.03
Fertility Sub Index 4.45
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.10
Gestation Length (days) -0.11 -0.919 0.10
Beef Sub Index 0.48
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 2.07
Live WT (kg) -6.75 -0.307 2.07
Total Carbon Sub Index 10.45

* Based on an €80/tonne carbon price