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 4.69
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -6.24 -0.375 2.34
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index 6.30
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.43
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.84 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 21.38

* Based on an €80/tonne carbon price