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 -5.80
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) 10.15 -0.375 -3.80
Prot (kg) 4.33 -0.441 -1.91
Fertility Sub Index 9.29
Calving Interval (days) -4.24 -1.459 6.19
Survival (%) 2.78 1.117 3.11
Calving Sub Index 3.08
Gestation Length (days) -3.35 -0.919 3.08
Beef Sub Index 2.45
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 10.86

* Based on an €80/tonne carbon price