Sukla Yajur veda: (6.4.18)
If you are Wise or Famous or Social or Lecturer or Practice vedas or Mother who wishes long life of your kids ; Bull or OX(Male Cow) cooked with butter is the best for you.
Famous Adi Sankaracharya in Brihadanyaka Upanishad review; Explained the above Vedic hymn as below:
“The meat better be strong and middle aged Bull”
RISHABHA staTo Pyadhika vayaa
tadeeyamaa RSHABHA MAAMSAM
Nivasam MESHAMA PACHANTA VEERAH
Strong men are cooking Strong and Fatty Goat!