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 4.35
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 2.12
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 7.86

* Based on an €80/tonne carbon price