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 36.74
Milk (kg) -986.00 -0.014 13.80
Fat (kg) -27.63 -0.375 10.35
Prot (kg) -28.51 -0.441 12.58
Fertility Sub Index 5.63
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.25 1.117 1.40
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -1.45
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 6.05 -0.432 -2.61
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 45.07

* Based on an €80/tonne carbon price