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 7.75
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -5.69 -0.375 2.13
Prot (kg) -8.58 -0.441 3.79
Fertility Sub Index 4.21
Calving Interval (days) -1.87 -1.459 2.73
Survival (%) 1.33 1.117 1.49
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 4.40
Carcass Weight (kg) -10.20 -0.528 5.38
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 20.58

* Based on an €80/tonne carbon price