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 14.06
Milk (kg) -332.00 -0.014 4.65
Fat (kg) -8.43 -0.375 3.16
Prot (kg) -14.17 -0.441 6.25
Fertility Sub Index 7.52
Calving Interval (days) -4.84 -1.459 7.06
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 2.75
Carcass Weight (kg) -6.40 -0.528 3.38
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 7.45
Live WT (kg) -24.30 -0.307 7.45
Total Carbon Sub Index 31.80

* Based on an €80/tonne carbon price