In vitro nutritional quality and antioxidant activity of three weed species as feed additives for sheep in the Central Highlands of Mexico

Sheep production is traditional for rural communities in Mexico, based on natural grasslands and semi-stabled feeding. Quality forages are necessary to improve productivity in these systems. Weeds are an alternative to feed ruminants and to manage crops. Also, many plants have secondary metabolites...

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Bibliographic Details
Published in:Tropical animal health and production 2021-07, Vol.53 (3), p.394-394, Article 394
Main Authors: Diaz-Medina, Lucero Karen, Colín-Navarro, Vianey, Arriaga-Jordán, Carlos M., Brunett-Pérez, Luis, Vázquez-de-Aldana, Beatriz R., Estrada-Flores, Julieta Gertrudis
Format: Article
Language:English
Subjects:
Antioxidants
Biomedical and Life Sciences
Chemical composition
Diet
Digestibility
Dry matter
Feed additives
Fermentation
Gas production
Grasslands
High performance liquid chromatography
Inductively coupled plasma
Kinetics
Life Sciences
Liquid chromatography
Livestock
Metabolites
Nutritive value
Oil and gas production
Organic matter
Phenolic compounds
Phenols
Regular Articles
Rumen
Rural areas
Rural communities
Secondary metabolites
Sheep
Tannins
Veterinary Medicine/Veterinary Science
Weeds
Zoology
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Summary:Sheep production is traditional for rural communities in Mexico, based on natural grasslands and semi-stabled feeding. Quality forages are necessary to improve productivity in these systems. Weeds are an alternative to feed ruminants and to manage crops. Also, many plants have secondary metabolites beneficial for livestock. The objective was to assess the nutritive value in vitro and the antioxidant activity of three weeds ( Tithonia tubiformis , Cosmos bipinnatus , and Tagetes lucida ) and four treatments (T0 = control diet, T1 = diet + 5% T. tubiformis , T2 = diet + 5% C. bipinnatus , and T3 = diet + 5% T. lucida ). Nutritive value was determined from chemical composition by standard methods and mineral contents by inductively coupled plasma analyses. Secondary compounds, total phenols (TP), total tannins (TT), condensed tannins (CT), and phenolic compounds, were determined by high-performance liquid chromatography, and total antioxidant activity was determined by measuring the oxygen radical absorbance capacity. Rumen fermentation kinetics and in vitro digestibility of dry matter (IVDMD), organic matter (IVOMD), and neutral detergent fibre (IVNDFD) were determined per species and treatment by in vitro gas production. T. tubiformis had the highest CP and TP contents ( P  
ISSN:0049-4747
1573-7438
DOI:10.1007/s11250-021-02819-8