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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.18.0630    [Accepted] Published online February 7, 2019.
Growth performance and health of nursing lambs supplemented with inulin and Lactobacillus casei
Marco A Ayala-Monter1  , David Hernández-Sánchez1,*  , Sergio González-Muñoz1, René Pinto-Ruiz2  , José A Marinez-Aispuro1, Nicólas Torres-Salado3, Jerónimo Herrera-Pérez3, Adrian Gloria-Trujillo4
1Programa de Ganadería, Colegio de Postgraduados, Estado de México 56230, México
22Facultad de Ciencias Agronómicas, Universidad Autónoma de Chiapas, Chiapas 30470, México
3Facultad de Medicina Veterinaria y Zootecnia No. 2, Universidad Autónoma de Guerrero, Guerrero 41940, México
4Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Xochimilco, Ciudad de México 04970, México
Correspondence:  David Hernández-Sánchez,Email: sanchezd@colpos.mx
Received: 23 August 2018   • Revised: 2 November 2018   • Accepted: 8 January 2019
Abstract
Objective: This experiment was designed to evaluate the prebiotic effect of Agave tequilana inulin and Lactobacillus casei on growth, hematological variables, serum metabolites and total coliforms in nursing lambs.

Methods

Forty-five new born lambs (Kathadin x Dorset, 4.8 + 0.8 kg weight at birth) were randomly assigned to one of three treatments (T): T1, control (pre-starter concentrate, PC); T2: T1 + 2 % inulin; and T3, T1 + 2 % inulin + L. casei. The variables were daily weight gain (DWG), dry matter intake (DMI) and diarrheas incidence (%) during 56 d. Twenty-four hours after birth and at the end of the experiment, blood samples were collected to evaluate hematological variables and serum metabolites. Besides, population of total coliforms and lactobacilli were estimated in feces samples. The experimental design was completely randomized, and treatments means were compared with Tukey test (p<0.05).

Results

Addition of agave inulin and L. casei increased (p<0.05) DWG 356b, 384ab and 415a g/d, weaning weight (WW) 24.92a, 26.18ab and 28.07a kg, as well as lactobacillus population 5.79b, 6.32ab and 6.48a Log10 ufc/g, for T1, T2 and T3, respectively. Lambs fed L. casei had decreased (p<0.05) populations of total coliforms (T1 = 6.18a, T2 = 5.77a and T3 = 5.07b Log10 ufc/g), diarrheas incidence (T1 = 11.67, T2 = 8.33 and T3 = 5.00 %), and serum cholesterol concentration (11 % in T2 and 13 % in T3, compared to control).
Conclusion
The combination of Agave tequilana inulin and L. casei increases weight gain and improves intestinal health by reducing coliforms and diarrheas incidence in Katahdin x Dorset lambs during the pre-weaning period.
Keywords: Lambs; Agave tequilana; Inulin; Total Coliforms; Lactobacilli; Intestinal Health


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