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 4.88
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -8.15 -0.375 3.05
Prot (kg) -0.93 -0.441 0.41
Fertility Sub Index 5.80
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 1.34 1.117 1.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.14
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.44 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price