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 34.34
Milk (kg) -675.00 -0.014 9.45
Fat (kg) -32.13 -0.375 12.03
Prot (kg) -29.12 -0.441 12.85
Fertility Sub Index 2.30
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.86 1.117 0.96
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -3.33
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 6.73 -0.432 -2.91
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 33.60

* Based on an €80/tonne carbon price