Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs

Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs

Probiotics assist in the development of beneficial microorganisms in the rumen that increase digestibility of nutrients and improves the productive performance of ruminants; it also has the possibility of using ingredients as corn stover of relatively low nutritional value, but available in some pla...

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Main Authors: Ruiz-Barrera, Oscar, López-Morones, Jesús, Salinas-Chavira, Jaime, Castillo-Castillo, Yamicela
Format: Online
Language:spa
Published: Universidad Autónoma de Tamaulipas 2020
Online Access:https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267
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record_format ojs
institution CIENCIA UAT
collection OJS
language spa
format Online
author Ruiz-Barrera, Oscar
López-Morones, Jesús
Salinas-Chavira, Jaime
Castillo-Castillo, Yamicela
spellingShingle Ruiz-Barrera, Oscar
López-Morones, Jesús
Salinas-Chavira, Jaime
Castillo-Castillo, Yamicela
Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
author_facet Ruiz-Barrera, Oscar
López-Morones, Jesús
Salinas-Chavira, Jaime
Castillo-Castillo, Yamicela
author_sort Ruiz-Barrera, Oscar
title Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
title_short Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
title_full Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
title_fullStr Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
title_full_unstemmed Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
title_sort effect of candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs
description Probiotics assist in the development of beneficial microorganisms in the rumen that increase digestibility of nutrients and improves the productive performance of ruminants; it also has the possibility of using ingredients as corn stover of relatively low nutritional value, but available in some places at low prices. Saccharomyces yeasts are conventionally used as probiotics and there are reports that use native strains such as Candida norvegensis. The objective of this study was to evaluate the effects of the probiotic of Candida norvegensis on the in situ ruminal dry matter degradability of corn stover and on the productive performance of growing lambs. In the first experiment, the yeast Candida norvegensis (strain Levazoot 15) [0 g (T1)] and 5 g (T2) was used to determine the in situ ruminal dry matter degradation (RDMD) of the corn stover in 3 cows with cannulas in the rumen, which was determined by the polyester bag technique. There was no effect of yeast (P > 0.05) on fraction (a), (b) and (a+b). However, the effective degradability at 1 %/h and 5 %/h of ruminal turnover was higher in T2 (P < 0.05). In the second experiment, 32 lambs were randomly assigned to individual pens for 105 d to evaluate 4 diets that differed in the proportion of concentrate: forage: T1 = 75: 25, T2 = 75:25; T3 = 50: 50, and T4 = 25: 75. With the exception of T1, the diets were supplemented with Candida norvegensis at 15 mL/kg of live weight, equivalent to 5 g/d of yeast in dry matter basis. The lambs in the diet with 75 % of concentrate plus the  yeast (T2) showed greater weight gain and best  feed conversion (P < 0.05). It is concluded that Candida norvegensis showed beneficial effects on ruminal degradability and on the growth of lambs. 
publisher Universidad Autónoma de Tamaulipas
publishDate 2020
url https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267
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spelling oai:ojs.pkp.sfu.ca:article-12672020-07-31T23:34:40Z Effect of Candida norvegensis on ruminal degradation of cornstover and on growth performance of lambs Efecto de Candida norvegensis sobre la degradabilidad ruminal de rastrojo de maíz y el crecimiento de corderos Ruiz-Barrera, Oscar López-Morones, Jesús Salinas-Chavira, Jaime Castillo-Castillo, Yamicela yeast ruminal degradability lambs probiotic levaduras degradabilidad ruminal corderos probiótico Probiotics assist in the development of beneficial microorganisms in the rumen that increase digestibility of nutrients and improves the productive performance of ruminants; it also has the possibility of using ingredients as corn stover of relatively low nutritional value, but available in some places at low prices. Saccharomyces yeasts are conventionally used as probiotics and there are reports that use native strains such as Candida norvegensis. The objective of this study was to evaluate the effects of the probiotic of Candida norvegensis on the in situ ruminal dry matter degradability of corn stover and on the productive performance of growing lambs. In the first experiment, the yeast Candida norvegensis (strain Levazoot 15) [0 g (T1)] and 5 g (T2) was used to determine the in situ ruminal dry matter degradation (RDMD) of the corn stover in 3 cows with cannulas in the rumen, which was determined by the polyester bag technique. There was no effect of yeast (P > 0.05) on fraction (a), (b) and (a+b). However, the effective degradability at 1 %/h and 5 %/h of ruminal turnover was higher in T2 (P < 0.05). In the second experiment, 32 lambs were randomly assigned to individual pens for 105 d to evaluate 4 diets that differed in the proportion of concentrate: forage: T1 = 75: 25, T2 = 75:25; T3 = 50: 50, and T4 = 25: 75. With the exception of T1, the diets were supplemented with Candida norvegensis at 15 mL/kg of live weight, equivalent to 5 g/d of yeast in dry matter basis. The lambs in the diet with 75 % of concentrate plus the  yeast (T2) showed greater weight gain and best  feed conversion (P < 0.05). It is concluded that Candida norvegensis showed beneficial effects on ruminal degradability and on the growth of lambs.  Los probióticos favorecen el desarrollo de microorganismos benéficos en el rumen, lo que  incrementa la digestibilidad de los nutrientes y mejora el desempeño productivo de los rumiantes; con esto, se tiene la posibilidad de utilizar ingredientes como el rastrojo de maíz de relativo bajo valor nutritivo, pero altamente disponible en algunos lugares a bajo precio.  Convencionalmente, se utilizan como probióticos las levaduras Saccharomyces, aunque existen reportes sobre el uso de cepas autóctonas, como Candida norvegensis. El objetivo de este estudio fue evaluar los efectos del probiótico de Candida norvegensis en la degradabilidad ruminal in situ de rastrojo de maíz y en el comportamiento productivo de ovinos en crecimiento. La levadura Candida norvegensis (cepa Levazoot 15) [0 g (T1) y 5 g (T2)] se usó para determinar la degradación ruminal in situ (DRMS), del rastrojo de maíz, en 3 vacas canuladas ruminalmente por medio de la técnica de la bolsa de poliéster. No hubo efecto de la levadura (P > 0.05) para la fracción (a), (b) y (a+b); pero la degradabilidad efectiva al 1 %/h y 5 %/h de recambio ruminal fue mayor para T2 (P < 0.05). En un segundo experimento, 32 corderos se asignaron al azar a corrales individuales por 105 d para evaluar 4 dietas que difirieron en la proporción de concentrado/forraje: T1 = 75:25, T2 = 75:25, T3 = 50:50, y  T4 = 25:75. A excepción de T1, las dietas fueron suplementadas con Candida norvegensis, a razón de 15 mL/kg de peso vivo, equivalente a 5 g/d de levadura en base seca. Los ovinos en la dieta con 75 % de concentrado más la levadura (T2) presentaron mayor ganancia de peso, y mejor conversión alimenticia (P < 0.05). Se concluye que Candida norvegensis mostró efectos benéficos en la degradabilidad ruminal y  en  el  desarrollo  de  corderos. Universidad Autónoma de Tamaulipas 2020-01-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html text/xml https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267 10.29059/cienciauat.v14i2.1267 CienciaUAT; Vol 14 No. 2. January-June 2020; 133-145 CienciaUAT; Vol. 14 No. 2: Enero-Junio 2020; 133-145 2007-7858 2007-7521 spa https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267/665 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267/670 https://revistaciencia.uat.edu.mx/index.php/CienciaUAT/article/view/1267/774 Derechos de autor 2020 CienciaUAT

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