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 3.87
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index 6.18
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.51 1.117 1.69
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -5.25
Carcass Weight (kg) 9.30 -0.528 -4.91
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index 1.75

* Based on an €80/tonne carbon price