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 3.99
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 0.75
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.28
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 5.86

* Based on an €80/tonne carbon price