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 20.77
Milk (kg) -557.00 -0.014 7.80
Fat (kg) -16.70 -0.375 6.26
Prot (kg) -15.22 -0.441 6.72
Fertility Sub Index 7.34
Calving Interval (days) -4.51 -1.459 6.58
Survival (%) 0.68 1.117 0.76
Calving Sub Index 1.07
Gestation Length (days) -1.16 -0.919 1.07
Beef Sub Index 2.91
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 35.86

* Based on an €80/tonne carbon price