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 2.08
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 0.13 -0.375 -0.05
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 3.81
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 2.15
Carcass Weight (kg) -11.40 -0.528 6.01
Age of Slaughter (days) 8.94 -0.432 -3.86
Maintenance Sub Index Maint. Sub Index 11.80
Live WT (kg) -38.50 -0.307 11.80
Total Carbon Sub Index 20.61

* Based on an €80/tonne carbon price