Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
February 2017 Vol. 6(2): pp. 026-030
Copyright © 2016 Global Advanced Research Journals

 

Full Length Research Paper

In Situ Ruminal Degradability of Savoy Grass (Panicum maximun) Silages with Different Levels of Passion Fruit (Passiflora edulis) Peel Inclusion

Italo Espinoza Guerra1, Mirian Medina Villacís1, León Montenegro Vivas1, Manuel Salcedo Sarmiento1, José Macias Velíz1, Mary Cifuentes Rojas1, Marlene Medina Villacís2’3,  Alina Martinez Hernández3,  Rosa Varas Giler1 and José Romero Romero1

 

1Facultad de Ciencias Pecuarias. Universidad Técnica Estatal de Quevedo. Av. Walter Andrade. Km 1 ½ vía a Santo Domingo, C.P. 73. Quevedo, Los Ríos, Ecuador. (Faculty of Animal Sciences. State Technical University of Quevedo. Av. Walter Andrade. Km 1 ½ vía a Santo Domingo, C.P. 73. Quevedo, Los Ríos, Ecuador

2Facultad de Ciencias de la Ingeniería, Universidad Técnica Estatal de Quevedo.  Ave. Quito. Km 1 ½ vía a Santo Domingo de los Tsáchilas, C.P. 73.  Quevedo, Los Ríos Ecuador. (Faculty of Engineering Sciences, State Technical University of Quevedo. C.P. 73(Ave. Quito. Km 1 ½ vía a Santo Domingo de los Tsáchilas, Quevedo, Los Ríos Ecuador).

3Universidad de Pinar del Río, Cuba. ( University of Pinar del Río, Cuba).

Email: iespinoza@uteq.edu.ec

Accepted 03 February, 2017

 

Abstract

(Four levels of passion fruit peel (PFP) 10, 20, 30, and 40% inclusion in Savoy grass silage were evaluated to determine dry matter (ISDMD), organic matter (ISOMD) and inorganic matter (ISOMD) in situ ruminal degradability). In situ degradability technique in 10 x 20 nylon bags, of 50±3 pore size at 0, 3, 6, 12, 24, 48, and 72 incubation hours for three 500 ± 25 kg average weight bovine Brahman. A complete randomized block design was used. An increase in ISDMS disappearance as RCM (P <0, 05) with  40% level of addition was evidenced. Values of 60.22% in 72 hours of incubation were obtained.  ISOMD values showed no difference between treatments (P˃0.05) at 0, 3, and 48 incubation hours. Differences (P˂0.05) were found at 6, 12, 24, and 72 incubation hours. The highest ISOMD disappearance value was attained at 72 hours of incubation in T4 (59, 46 %). DISMI showed no difference between treatments (P˃0.05) at 0, 3, 6, and 72 hours of incubation. However, we found a different behavior (P˂0.05) at 12, 24, and 48 hours of incubation. ISIMD at 72 hours of incubation was 69, 09 for T4. The highest percentage of degradation was attained with the addition of 40% RCM.   

Keywords: fermentation, chemical and food science, agricultural waste. 


 

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Italo Espinoza Guerra on Google Scholar
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