One should never give to a Brahmana a cow that is lean, or that produces dead calves, or that is barren, or that is diseased, or that is defective of limb, or that is worn out with toil.
न कृशां नापवत्सां वा वथ्यां रोगान्वितां तथा। न व्यङ्गां न परिश्रान्तां दद्याद् गां ब्राह्मणाय वै॥