Effects of nutrition on digestión efficiency and gaseous emissions from slurry in growing pigs: III. Influence of varying the dietary level of calcium soap of palm fatty acids distillate with or without orange pulp supplemention

Antezana, W.; Calvet, Salvador; Fernandes Beccaccia, Amanda; Ferrer, Pablo; Blas Beorlegui, Juan Carlos de; Garcia Rebollar, Paloma y Cerisuelo, A. (2015). Effects of nutrition on digestión efficiency and gaseous emissions from slurry in growing pigs: III. Influence of varying the dietary level of calcium soap of palm fatty acids distillate with or without orange pulp supplemention. "Animal Feed Science And Technology" (n. 209); pp. 128-136. ISSN 0377-8401. https://doi.org/10.1016/j.anifeedsci.2015.07.022.

Descripción

Título: Effects of nutrition on digestión efficiency and gaseous emissions from slurry in growing pigs: III. Influence of varying the dietary level of calcium soap of palm fatty acids distillate with or without orange pulp supplemention
Autor/es:
  • Antezana, W.
  • Calvet, Salvador
  • Fernandes Beccaccia, Amanda
  • Ferrer, Pablo
  • Blas Beorlegui, Juan Carlos de
  • Garcia Rebollar, Paloma
  • Cerisuelo, A.
Tipo de Documento: Artículo
Título de Revista/Publicación: Animal Feed Science And Technology
Fecha: Noviembre 2015
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The aim of this study was to establish the relationships between faecal fat concentration and gaseous emissions from pig slurry. Five diets were designed to meet essential nutrient requirements: a control and four experimental feeds including two levels (35 or 70 g/kg) of calcium soap fatty acids distillate (CSP) and 0 or 200 g/kg of orange pulp (OP) combined in a 2 × 2 factorial structure. Thirty growing pigs (six per treatment) were used to measure dry matter (DM) and N balance, coefficients of total tract apparent digestibility (CTTAD) of nutrients, faecal and urine composition and potential emissions of ammonia (NH3) and methane (CH4). Increasing dietary CSP level decreased DM, ether extract (EE) and crude protein (CP) CTTAD (by 4.0, 11.1 and 3.5%, respectively, P < 0.05), but did not influence those of fibrous constituents. It also led to a decrease (from 475 to 412 g/kg DM, P < 0.001) of faecal concentration of neutral detergent fibre (aNDFom) and to an increment (from 138 to 204 g/kg, P < 0.001) of EE in faecal DM that was related to greater CH4 emissions, both per gram of organic matter (P = 0.021) or on a daily basis (P < 0.001). Level of CSP did not affect N content in faeces or urine, but increased daily DM (P < 0.001), and N (P = 0.031) faecal excretion with no effect on urine N excretion. This resulted in lesser (P = 0.036) NH3 potential emission per kg of slurry. Addition of OP decreased CTTAD of EE (by 7.9%, P = 0.044), but increased (P < 0.05) that of all the fibrous fractions. As a consequence, faecal EE content increased (from 165 to 177 g/kg DM; P = 0.012), and aNDFom decreased greatly (from 483 to 404 g/kg DM, P < 0.001), which in all resulted in a lack of effect of OP on CH4 potential emission. Inclusion of OP in the diet also led to a significant decrease of CP CTTAD (by 6.85%, P < 0.001), and to an increase of faecal CP concentration (from 174 to 226 g/kg DM, P < 0.001), with no significant influence on urine N content. These effects resulted in higher N faecal losses, especially those of the undigested dietary origin, without significant effects on potential NH3 emission. No significant interactions between CSP and OP supplementation were observed for the gaseous emissions measured.

Más información

ID de Registro: 38057
Identificador DC: http://oa.upm.es/38057/
Identificador OAI: oai:oa.upm.es:38057
Identificador DOI: 10.1016/j.anifeedsci.2015.07.022
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0377840115002503
Depositado por: Memoria Investigacion
Depositado el: 05 Nov 2015 14:44
Ultima Modificación: 30 Nov 2016 23:30
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