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 0.21
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 1.04 -0.375 -0.39
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 7.11
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 1.01 1.117 1.13
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 0.82
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 12.80

* Based on an €80/tonne carbon price