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 10.64
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -12.87 -0.375 4.82
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 8.20
Calving Interval (days) -5.52 -1.459 8.05
Survival (%) 0.13 1.117 0.15
Calving Sub Index -1.59
Gestation Length (days) 1.73 -0.919 -1.59
Beef Sub Index 2.61
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.26 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 23.20

* Based on an €80/tonne carbon price