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 6.46
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 3.75
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 1.63 1.117 1.82
Calving Sub Index -1.62
Gestation Length (days) 1.76 -0.919 -1.62
Beef Sub Index -3.89
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 6.44 -0.432 -2.78
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 7.38

* Based on an €80/tonne carbon price