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) -106.00 -0.014 1.48
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -3.32 -0.441 1.47
Fertility Sub Index 4.34
Calving Interval (days) -2.31 -1.459 3.37
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.14
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 3.72 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 7.11
Live WT (kg) -23.20 -0.307 7.11
Total Carbon Sub Index 21.42

* Based on an €80/tonne carbon price