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 6.55
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index 3.85
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index -0.11
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 12.69

* Based on an €80/tonne carbon price