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 4.00
Milk (kg) -177.00 -0.014 2.48
Fat (kg) 1.40 -0.375 -0.52
Prot (kg) -4.64 -0.441 2.05
Fertility Sub Index 4.25
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index -1.35
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 8.63 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 7.76
Live WT (kg) -25.30 -0.307 7.76
Total Carbon Sub Index 15.51

* Based on an €80/tonne carbon price