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 4.05
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 5.99
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.67 1.117 1.87
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.89
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 18.54

* Based on an €80/tonne carbon price