How does MCP interact with other dietary minerals and additives in commercial poultry and pig feeds?

Blog post description.

3/12/20261 min read

MCP (monocalcium phosphate) is a widely used inorganic phosphate source in commercial poultry and pig feeds, primarily serving as a phosphorus and calcium supplement (Gous et al., 2010). Its interaction with other dietary minerals, such as calcium, zinc, and iron, influences mineral absorption and overall mineral bioavailability in animals (Ravindran et al., 2007). High dietary calcium levels can reduce MCP solubility, leading to the formation of insoluble calcium-phosphate complexes that impair phosphorus absorption (Selle et al., 2012). Similarly, the presence of other divalent cations like zinc and iron can compete with phosphorus for absorption pathways, potentially decreasing phosphorus bioavailability (Selle et al., 2012). Additives such as phytase enzymes enhance MCP utilization by hydrolysing phytate-bound phosphorus, thereby increasing mineral availability (Liu et al., 2012). However, certain feed additives, including high levels of phytate or tannins, can negatively interact with MCP, further reducing mineral digestibility (Adeola & Sandoval, 2008). The pH of the gastrointestinal tract influences MCP solubility, with more acidic conditions favouring better mineral absorption (Cowieson & Ravindran, 2008). Additionally, the form of MCP (monocalcium vs. dicalcium phosphate) can alter its interaction with other minerals due to differences in solubility profiles (Gous et al., 2010). Moreover, dietary additives like organic acids can modify gut pH and improve MCP solubility and absorption (Cowieson & Ravindran, 2008). Understanding these interactions is crucial for optimizing mineral nutrition and preventing deficiencies or toxicities in poultry and pig production systems (Gous et al., 2010). Overall, MCP's interaction with other minerals and additives is a complex process influenced by multiple dietary and physiological factors, requiring careful formulation to maximize mineral utilization (Ravindran et al., 2007).

Promois International (www.promoisinternational.com) is one of the best-known manufacturers of encapsulated MCP.