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 28.76
Milk (kg) -633.00 -0.014 8.86
Fat (kg) -28.33 -0.375 10.61
Prot (kg) -21.03 -0.441 9.28
Fertility Sub Index 5.02
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.23 1.117 1.37
Calving Sub Index -1.85
Gestation Length (days) 2.01 -0.919 -1.85
Beef Sub Index -2.22
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 4.42 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 33.99

* Based on an €80/tonne carbon price