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Article

Evaluation of Phosphorus Digestibility from Monocalcium and Dicalcium Phosphate Sources and Comparison between Total Tract and Prececal Digestibility Standard Methods in Broilers

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Institute of Animal Science and Technology, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
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Departamento de I+D+i, Global Feed S.L.U., Grupo Tervalis, Av. Francisco Montenegro s/n, 21001 Huelva, Spain
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Centro de Investigación de Tecnología Animal, Instituto Valenciano de Investigaciones Agrarias, 12400 Segorbe, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Sylwester Świątkiewicz
Animals 2021, 11(12), 3427; https://doi.org/10.3390/ani11123427
Received: 5 October 2021 / Revised: 26 November 2021 / Accepted: 28 November 2021 / Published: 1 December 2021
Variations in phosphorous (P) digestibility as a function of methodology, phosphate source, physicochemical characteristics and commercial source were evaluated in broilers. Three methodologies and two phosphates (monocalcium phosphate, MCP, and dicalcium phosphate, DCP) from three different commercial sources were used in two experiments. In the first experiment, MCP and DCP were incorporated into a P-deficient diet at two levels of inclusion and P digestibility was evaluated using three methodologies of the regression method (total excreta, marker in excreta and prececal digestibility). In the second experiment, variations in P digestibility of six phosphate sources (three MCP and three DCP) were evaluated using the total collection method. The P digestibility of MCP ranged from 75.2 to 87.4% and from 80.5 to 86.6% for DCP amongst methodologies (p > 0.05). Particle size, surface area, degree of crystallinity and impurities varied amongst commercial sources. The P digestibility of the three tested commercial sources of MCP was 79.6% (MCP1), 70.2% (MCP2) and 65.6% (MCP3); p > 0.05. The P digestibility of the three tested commercial sources of DCP was 80.1% (DCP1), 77.4% (DCP2) and 71.4% (DCP3); p > 0.05.
The objective of this study was to compare the total tract (total excreta and marker) and prececal methodologies to determine phosphorus (P) digestibility and to evaluate its variation as a function of the physicochemical characteristics of the inorganic phosphate used (monocalcium, MCP and dicalcium, DCP) from different commercial sources. A total of 176 1-day-old male broilers were used in two digestibility experiments. In Experiment 1, one MCP and one DCP were incorporated in the basal diet at two levels. In Experiment 2, MCP and DCP from three commercial sources were incorporated to the basal diet at one level. Physicochemical characteristics of inorganic phosphates were examined, as well. Additionally, bone mineralization and growth performance traits were investigated in both trials. The digestibility of MCP ranged from 75.2 to 87.4% and from 80.5 to 86.6% for DCP amongst methodologies, but differences between total tract and preceal methodologies were not statistically significant. Particle size, surface area, degree of crystallinity and impurities varied amongst commercial sources. The P digestibility of the three tested commercial sources of MCP was 79.6% (MCP1), 70.2% (MCP2) and 65.6% (MCP3); p > 0.05. The P digestibility of the 3 tested commercial sources of DCP was 80.1% (DCP1), 77.4% (DCP2) and 71.4% (DCP3); p > 0.05. View Full-Text
Keywords: poultry; mineral nutrition; nutrient availability poultry; mineral nutrition; nutrient availability
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MDPI and ACS Style

Cambra-López, M.; Moset, V.; del Carmen López, M.; Sebastián Mesa, J.; Carpintero, L.; Donadeu, A.; Dupuy, J.; Macías-Vidal, J.; Cerisuelo, A.; Ferrer, P.; Pascual, J.J. Evaluation of Phosphorus Digestibility from Monocalcium and Dicalcium Phosphate Sources and Comparison between Total Tract and Prececal Digestibility Standard Methods in Broilers. Animals 2021, 11, 3427. https://doi.org/10.3390/ani11123427

AMA Style

Cambra-López M, Moset V, del Carmen López M, Sebastián Mesa J, Carpintero L, Donadeu A, Dupuy J, Macías-Vidal J, Cerisuelo A, Ferrer P, Pascual JJ. Evaluation of Phosphorus Digestibility from Monocalcium and Dicalcium Phosphate Sources and Comparison between Total Tract and Prececal Digestibility Standard Methods in Broilers. Animals. 2021; 11(12):3427. https://doi.org/10.3390/ani11123427

Chicago/Turabian Style

Cambra-López, María, Verónica Moset, María del Carmen López, Juan Sebastián Mesa, Laura Carpintero, Andrés Donadeu, Javier Dupuy, Judit Macías-Vidal, Alba Cerisuelo, Pablo Ferrer, and Juan J. Pascual. 2021. "Evaluation of Phosphorus Digestibility from Monocalcium and Dicalcium Phosphate Sources and Comparison between Total Tract and Prececal Digestibility Standard Methods in Broilers" Animals 11, no. 12: 3427. https://doi.org/10.3390/ani11123427

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