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 5.63
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -5.28 -0.375 1.98
Prot (kg) -5.95 -0.441 2.63
Fertility Sub Index 4.18
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) -1.70 1.117 -1.90
Calving Sub Index -1.12
Gestation Length (days) 1.22 -0.919 -1.12
Beef Sub Index 2.39
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -3.58 -0.432 1.55
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 13.02

* Based on an €80/tonne carbon price