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 2.38
Milk (kg) -221.00 -0.014 3.09
Fat (kg) 4.55 -0.375 -1.70
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 0.51
Calving Interval (days) -1.26 -1.459 1.84
Survival (%) -1.19 1.117 -1.33
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index -0.39
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price