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 -7.05
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 11.21 -0.375 -4.20
Prot (kg) 6.21 -0.441 -2.74
Fertility Sub Index 3.10
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.99
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 5.84

* Based on an €80/tonne carbon price