One verse

Srimad Bhagavatam 9.6.6

9.6.6

स एकदाष्टकाश्राद्धे इक्ष्वाकु: सुतमादिशत् । मांसमानीयतां मेध्यं विकुक्षे गच्छ मा चिरम् ॥ ६ ॥

sa ekadastaka-sraddhe iksvakuh sutam adisat mamsam aniyatam medhyam vikukse gaccha ma ciram

sah
that king (Maharaja Iksvaku)
ekada
once upon a time
astaka-sraddhe
during January, February and March, when offerings are made to the forefathers
iksvakuh
King Iksvaku
sutam
to his son
adisat
ordered
mamsam
flesh
aniyatam
bring here
medhyam
pure (obtained by hunting)
vikukse
O Vikuksi
gaccha
immediately go
ma ciram
without delay.

During the months of January, February and March, oblations offered to the forefathers are called astaka-sraddha. The sraddha ceremony is held during the dark fortnight of the month. When Maharaja Iksvaku was performing his oblations in this ceremony, he ordered his son Vikuksi to go immediately to the forest to bring some pure flesh.