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 0.85
Milk (kg) -55.00 -0.014 0.77
Fat (kg) 0.58 -0.375 -0.22
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index 2.81
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.37
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 14.42

* Based on an €80/tonne carbon price