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 -6.53
Milk (kg) 75.00 -0.014 -1.05
Fat (kg) 6.58 -0.375 -2.46
Prot (kg) 6.83 -0.441 -3.01
Fertility Sub Index -2.91
Calving Interval (days) 1.61 -1.459 -2.35
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index 0.70
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index -4.61

* Based on an €80/tonne carbon price