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 4.43
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -7.63 -0.375 2.86
Prot (kg) -1.38 -0.441 0.61
Fertility Sub Index 5.13
Calving Interval (days) -3.80 -1.459 5.54
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 2.43
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 16.03

* Based on an €80/tonne carbon price