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 2.79
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index -6.30
Calving Interval (days) 2.88 -1.459 -4.20
Survival (%) -1.88 1.117 -2.10
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.16
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.91 -0.432 -1.69
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -1.80

* Based on an €80/tonne carbon price