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 9.48
Milk (kg) -190.00 -0.014 2.66
Fat (kg) -12.93 -0.375 4.84
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 3.11
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.72 1.117 0.80
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -1.60
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 12.80

* Based on an €80/tonne carbon price