Changes in the metabolomic profiles of mammary secretion in relation to dam litter size and parity number in Black Bengal goats
2024
Tien Thi Phuong Vo | Chollada Buranakarl | Sumonwan Chamsuwan | Sumpun Thammacharoen | Panupat Ratchakom | Morakot Nuntapaitoon | Sarn Settachaimongkon
Background and Aim: The colostrum is essential for a kid’s survival and development. The metabolomic profiles of mammary secretion in goats are limited. This study investigated the metabolomic profiles of mammary secretion in purebred Black Bengal goats and their relationships with litter size and parity number. Materials and Methods: 500 MHz nuclear magnetic resonance was used to analyze the metabolomic profiles of 43 colostrum and milk samples collected on delivery day and day 7 after parturition, respectively. Results: Fifty-one metabolites were distinguished between colostrum and milk based on heatmap visualization and hierarchical cluster analysis. In colostrum, most compounds were present in significantly greater amounts than in milk. Milk of goats with multiple litter sizes had higher levels of lactose while fat, protein, total solids, solid not fat, and most of the metabolites were lower. The parity number of dams shows no difference in the composition of all components between primiparous and multiparous goats. Conclusion: The components in colostrum were significantly more concentrated than those in milk. The multiple litter sizes in dams led to a significant impact on the composition of lactose and other milk metabolites.
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