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 -2.67
Milk (kg) 32.00 -0.014 -0.45
Fat (kg) 3.46 -0.375 -1.30
Prot (kg) 2.09 -0.441 -0.92
Fertility Sub Index 3.35
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.92
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 9.58

* Based on an €80/tonne carbon price