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 4.95
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 8.60
Calving Interval (days) -5.21 -1.459 7.60
Survival (%) 0.89 1.117 0.99
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index 2.87
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 21.19

* Based on an €80/tonne carbon price