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 1.22
Milk (kg) -68.00 -0.014 0.95
Fat (kg) 2.63 -0.375 -0.99
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index 4.20
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 0.49 1.117 0.55
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index 2.66
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 15.24

* Based on an €80/tonne carbon price