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 4.23
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -4.32 -0.375 1.62
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 6.52
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.54 1.117 1.72
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -0.07
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 12.84

* Based on an €80/tonne carbon price