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 1.66
Milk (kg) -29.00 -0.014 0.41
Fat (kg) 8.91 -0.375 -3.34
Prot (kg) -10.40 -0.441 4.59
Fertility Sub Index 3.69
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.99 1.117 1.11
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -0.49
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.88

* Based on an €80/tonne carbon price