INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES
Organic yeast minerals have higher bioavailability than inorganic sources, which are conventionally used as a supplement for cattle grazing tropical grasses. The objective of this study was to evaluate the influence of mineral-yeast mixture supplementation (chromium, selenium and zinc) on growth performance and digestion in beef steers grazing star grass (Cynodon plectostachius) pastures. For 120 d, daily doses of 0, 15 and 30 g of mineral-yeast mixture into a 1 kg supplement (as fed) were randomly assigned to 30 Brahman?Brown Swiss steers (325?11 kg initial body weight; BW) grazing star grass. The experimental design was completely randomized with three treatments and 10 experimental units (steers). Final BW, total gain, average daily gain and total feed intake increased linearly, as the amount of mineral-yeast mixture increased. Feed conversion was not affected by the mineral-yeast supplementation. Dry matter digestion and neutral detergent fibre digestion increased linearly as the amount of mineral-yeast mixture increased. The mineral-yeast mixture at daily doses of 30 g improved growth performance and digestion in steers grazing star grass pastures. Mineral supplementation with organic sources could improve cattle production under grazing tropical systems.
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Colegio de Postgraduados
2018
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oai:ojs.pkp.sfu.ca:article17412020-05-14T07:05:40Z INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES INFLUENCIA DEL SUPLEMENTO CON LEVADURA MINERALIZADA SOBRE EL RENDIMIENTO DEL CRECIMIENTO Y LA DIGESTIÓN EN NOVILLOS EN PRADERAS CON PASTO ESTRELLA (Cynodon plectostachius) Gómez-Vázquez, Armando Pinos-Rodríguez, Juan M. Juárez-Lagunes, Francisco I. Govea, Alejandra Córdova, Alejandro Cruz, Aldemar Chay, Alfonso chromium intake selenium zinc cromo ingesta selenio zinc Organic yeast minerals have higher bioavailability than inorganic sources, which are conventionally used as a supplement for cattle grazing tropical grasses. The objective of this study was to evaluate the influence of mineral-yeast mixture supplementation (chromium, selenium and zinc) on growth performance and digestion in beef steers grazing star grass (Cynodon plectostachius) pastures. For 120 d, daily doses of 0, 15 and 30 g of mineral-yeast mixture into a 1 kg supplement (as fed) were randomly assigned to 30 Brahman?Brown Swiss steers (325?11 kg initial body weight; BW) grazing star grass. The experimental design was completely randomized with three treatments and 10 experimental units (steers). Final BW, total gain, average daily gain and total feed intake increased linearly, as the amount of mineral-yeast mixture increased. Feed conversion was not affected by the mineral-yeast supplementation. Dry matter digestion and neutral detergent fibre digestion increased linearly as the amount of mineral-yeast mixture increased. The mineral-yeast mixture at daily doses of 30 g improved growth performance and digestion in steers grazing star grass pastures. Mineral supplementation with organic sources could improve cattle production under grazing tropical systems. Los minerales orgánicos en levadura tienen una mayor biodisponibilidad que las fuentes inorgánicas, usadas de manera convencional como un suplemento para bovinos en pastoreo con pastos tropicales. El objetivo de este estudio fue evaluar la influencia del suplemento de la mezcla de levadura mineralizada (cromo, selenio y zinc) sobre el rendimiento del crecimiento y la digestión en novillos para carne en pastoreo con pasto Estrella de África (Cynodon plectostachius). Durante 120 d, se asignaron al azar dosis diarias de 0, 15 y 30 g de mezcla de levadura mineralizada en 1 kg de suplemento (alimento consumido) a 30 novillos Brahman?Brown Swiss (325?11 kg de peso corporal inicial; BW) en pastoreo con pasto Estrella. El diseño experimental fue completamente al azar con tres tratamientos y 10 unidades experimentales (novillos). El BW final, ganancia total, ganancia diaria promedio y consumo total de alimento aumentaron linealmente al aumentar la cantidad de la mezcla de levadura mineralizada. El suplemento de levadura mineralizada no cambió la conversión alimenticia. La digestión de materia seca y la digestión de fibra detergente neutra aumentaron linealmente al incrementar la cantidad de mezcla de levadura mineralizada. La mezcla de levadura mineralizada en dosis de 30 g d?1 mejoró el rendimiento del crecimiento y la digestión en los novillos en pastoreo con pasto Estrella. El suplemento de minerales con fuentes orgánicas podría mejorar la producción de ganado en sistemas de pastoreo tropical. Colegio de Postgraduados 2018-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://www.agrociencia-colpos.org/index.php/agrociencia/article/view/1741 Agrociencia; Vol. 52 No. Especial (2018): 29 de diciembre - 30 de diciembre 2018; 89-95 Agrociencia; Vol. 52 Núm. Especial (2018): 29 de diciembre - 30 de diciembre 2018; 89-95 2521-9766 1405-3195 spa https://www.agrociencia-colpos.org/index.php/agrociencia/article/view/1741/1741 |
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author |
Gómez-Vázquez, Armando Pinos-Rodríguez, Juan M. Juárez-Lagunes, Francisco I. Govea, Alejandra Córdova, Alejandro Cruz, Aldemar Chay, Alfonso |
spellingShingle |
Gómez-Vázquez, Armando Pinos-Rodríguez, Juan M. Juárez-Lagunes, Francisco I. Govea, Alejandra Córdova, Alejandro Cruz, Aldemar Chay, Alfonso INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
author_facet |
Gómez-Vázquez, Armando Pinos-Rodríguez, Juan M. Juárez-Lagunes, Francisco I. Govea, Alejandra Córdova, Alejandro Cruz, Aldemar Chay, Alfonso |
author_sort |
Gómez-Vázquez, Armando |
title |
INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
title_short |
INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
title_full |
INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
title_fullStr |
INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
title_full_unstemmed |
INFLUENCE OF MINERAL YEAST SUPPLEMENTATION ON GROWTH PERFORMANCE AND DIGESTION IN BEEF STEERS GRAZING STAR GRASS (Cynodon plectostachius) PASTURES |
title_sort |
influence of mineral yeast supplementation on growth performance and digestion in beef steers grazing star grass (cynodon plectostachius) pastures |
description |
Organic yeast minerals have higher bioavailability than inorganic sources, which are conventionally used as a supplement for cattle grazing tropical grasses. The
objective of this study was to evaluate the influence of mineral-yeast mixture supplementation (chromium, selenium and zinc) on growth performance and digestion in beef steers grazing star
grass (Cynodon plectostachius) pastures. For 120 d, daily doses of 0, 15 and 30 g of mineral-yeast mixture into a 1 kg supplement (as fed) were randomly assigned to 30 Brahman?Brown Swiss
steers (325?11 kg initial body weight; BW) grazing star grass. The experimental design was completely randomized with three treatments and 10 experimental units (steers). Final BW, total
gain, average daily gain and total feed intake increased linearly, as the amount of mineral-yeast mixture increased. Feed conversion was not affected by the mineral-yeast supplementation. Dry
matter digestion and neutral detergent fibre digestion increased linearly as the amount of mineral-yeast mixture increased. The mineral-yeast mixture at daily doses of 30 g improved growth
performance and digestion in steers grazing star grass pastures. Mineral supplementation with organic sources could improve cattle production under grazing tropical systems. |
publisher |
Colegio de Postgraduados |
publishDate |
2018 |
url |
https://www.agrociencia-colpos.org/index.php/agrociencia/article/view/1741 |
work_keys_str_mv |
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