Astanga Hrudaya
पयो बाष्कयणं ग्राह्यं विण्मूत्रं तच्च नीरुजाम्। वयोबलवतां धातुपिच्छशृङ्गखुरादिकम्॥७॥
Milk, dung and urine of cows which have a young calf and (devoid of diseases) in good health, should be collected for use. Tissues (blood, muscle, fat etc), feathers, horns, hoof etc. of animals and birds, which are in their youth and in good strength should be collected.
english translation
payo bASkayaNaM grAhyaM viNmUtraM tacca nIrujAm। vayobalavatAM dhAtupicchazRGgakhurAdikam॥7॥
hk transliteration by Sanscript