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 5.21
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 5.48
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.12 1.117 1.25
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.21
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.69 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 21.85

* Based on an €80/tonne carbon price