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 0.44
Milk (kg) -107.00 -0.014 1.50
Fat (kg) 4.46 -0.375 -1.67
Prot (kg) -1.38 -0.441 0.61
Fertility Sub Index 1.07
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.64 1.117 0.72
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.38
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 3.02

* Based on an €80/tonne carbon price