Histoarchitectural study of mammary alveoli on lactation, involution and pregnant stage in Murrah buffalo

Durga Chaurasia. College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy; Rajan Shantaram Dalvi. Department of Veterinary Anatomy; Sanjay Balkrishna Banubakode. Department of Veterinary Anatomy; Shraddha Netty. College of Veterinary Science and Animal Husbandry. Department of Pharmacology and Toxicology; Shivesh Kumar Deshmukh. College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy; Seema Mandavi. College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy

Histoarchitectural study of mammary alveoli on lactation, involution and pregnant stage in Murrah buffalo

2022

Durga Chaurasia(Chhattisgarh Kamdhenu Vishwavidyalaya, Chhattisgarh (India). College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy) | Rajan Shantaram Dalvi(Nagpur Veterinary College, Maharashtra (India). Department of Veterinary Anatomy) | Sanjay Balkrishna Banubakode(Nagpur Veterinary College, Maharashtra (India). Department of Veterinary Anatomy) | Shraddha Netty(Chhattisgarh Kamdhenu Vishwavidyalaya, Chhattisgarh (India). College of Veterinary Science and Animal Husbandry. Department of Pharmacology and Toxicology) | Shivesh Kumar Deshmukh(Chhattisgarh Kamdhenu Vishwavidyalaya, Chhattisgarh (India). College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy) | Seema Mandavi(Chhattisgarh Kamdhenu Vishwavidyalaya, Chhattisgarh (India). College of Veterinary Science and Animal Husbandry. Department of Veterinary Anatomy)

Present experiment was conducted on sixty Murrah buffalo divided into three groups: lactating, involution stage/dry and pregnant stage (non-lactating early pregnant stage, non-lactating mid pregnant stage and non-lactating late pregnant stage). Most of the alveoli were spherical to oval elongated in shape. In lactating stage, only small and medium sized alveoli were present. In involuting stage due to degeneration and inactiveness only small alveoli were recorded. In non-lactating late pregnant stage most of the alveoli were large sized. A highly significant statistical difference was noted among different stages of lactation in the diameter of alveoli. The active alveoli were lined by cuboidal epithelium to low cuboidal epithelium, while resting alveoli were lined by squamous epithelium with dark nuclei. The number of resting alveoli were found increased with the advancement of lactation. Up to two months of involution most of the alveoli were degenerative. A highly significant statistical difference was noted in the height of alveolar epithelium in different stages of lactation.

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