كتاب الزكاة
Read the English translation first, with the original Arabic directly underneath.
Abdullah narrated that:
the Prophet (ﷺ) said: “For every thirty cattle, Tabi or Tabi'ah and for every forty a Musinnah.”
فِي ثَلاَثِينَ مِنَ الْبَقَرِ تَبِيعٌ أَوْ تَبِيعَةٌ وَفِي أَرْبَعِينَ مُسِنَّةٌ