Use of Tithonia diversifolia (hemsl.) A. Gray in the diet of growing lambs

Author:

Cadena-Villegas S.1ORCID,Martínez-Maldonado H.G.2ORCID,Sosa-Montes E.2ORCID,Mendoza-Pedroza S.I.1ORCID,Salinas-Rios T.3ORCID,Flores-Santiago E.J.2ORCID,Fuente J.I. Alejos de la2ORCID

Affiliation:

1. Postgraduate College, México

2. Chapingo Autonomous University, Mexico

3. Benito Juárez de Oaxaca Autonomous University, México

Abstract

ABSTRACT Two assays were conducted to study the Tithonia diversifolia (Td) plant: (1) chemical analysis and in vitro dry matter digestibility (IVDMD) of plant parts and (2) productive performance of lambs fed a traditional diet or a Td diet (30% of Td plus 70% of the traditional diet). The plant parts studied were leaves (L), leaves and petioles (LP); and leaves, petioles and stems (LPS). Feed intake, weight gain and feed conversion were registered weekly during five weeks of experimentation. The L showed higher (P<0.05) crude protein content (26.7%) than LP and LPS (25.5 and 19.7%, respectively). Crude fiber (11.2%), neutral detergent fiber (45.4%), cellulose (16.9%) and hemicellulose (33.5%) were lower in L than in LP (12.5, 46.7, 18.0 and 35.7%, respectively) and LPS (22.6, 59.2, 27.0 and 43.5%, respectively). The L and LP showed the highest IVDMD (89.2 and 88.2%, respectively vs. 77.2% of LPS). The Td diet resulted in greater feed intake and weight gain and lower feed conversion than the traditional diet. Therefore, Tithonia diversifolia is a forage plant of good quality for lambs which does not affect the productive performance.

Publisher

FapUNIFESP (SciELO)

Subject

General Veterinary

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