Background: Effective micronutrient supplementation strategies are critical to ensure optimal health and productivity in livestock. The objective of this study was to develop a copper and vitamin (multimicronutrient) delivery system based on chitosan gel beads, and test its suitability, in vitro, for use as a cattle feed additive.
Results: Chitosan was chelated with copper sulfate to produce millimetre-scale gel matrices (∼2 mm). The copper content was significantly increased (from 61 to 95 mg g by adjusting pH to alkaline conditions post bead formation. The beads could subsequently be loaded with the model vitamin riboflavin to levels as high as 324 µg g beads. Restricted rehydration of the dried gel matrices in simulated rumen fluid led to a sustained release of riboflavin with no copper released in these neutral conditions for up to 24 h, demonstrating copper rumen bypass. Moreover, sustained release of the mineral was observed in abomasal conditions of pH 2 over a 3 h period.
Conclusions: The matrices showed rumen bypass for copper yet supplied nutritionally relevant levels of the free mineral in abomasal conditions, as required for effective supplementation in cattle. The controlled-release properties demonstrated by the matrices indicate their potential as a multimicronutrient functional feed additive to enhance cattle nutrition and productivity. © 2018 Society of Chemical Industry.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1002/jsfa.8939 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Morphological and Anatomical Deformities of Hirudo verbana, Carena 1820 (Annelida, Hirudinea) After Feeding: Light and Electron Microscopic Analysis.
Microsc Microanal
January 2025
Vocational School of Health Services, Ankara Yıldırım Beyazıt University, Çubuk, Ankara 06760, Turkey.
Leeches are widely used as model organisms in scientific studies and medical treatments. Medical leeches are hematophagous parasites that usually feed on the blood of their hosts. Some leeches show deformities, usually after feeding.
View Article and Find Full Text PDFFollowing a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of NCIMB 30094 as a technological additive (functional group: silage additive) for use in fresh material for all animal species. The additive is intended for use at a proposed minimum concentration of 1 × 10 colony forming units (CFU)/kg fresh plant material. The bacterial species is considered by EFSA to be suitable for the qualified presumption of safety approach to safety assessment.
View Article and Find Full Text PDFEssential oil blend and monensin for feedlot steers consuming backgrounding and finishing diets: growth performance, methane emissions using the GreenFeed system, and feeding behavior.
Transl Anim Sci
January 2025
Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta T1J 4B1, Canada.
A study was conducted to assess growth performance, methane (CH) emissions, and feeding behavior of feedlot steers consuming backgrounding and finishing diets with an essential oil blend (EO), monensin (Mon), and their combination (EO + Mon). The study was structured as a 2 × 2 factorial, with two feed additive treatments (Control, EO) and two monensin treatments (no Monensin, Monensin). One hundred Angus × steers were evenly distributed across each treatment into four pens, and each dietary phase consisted of four, 28-d periods.
View Article and Find Full Text PDFDevelopment of a duplex loop-mediated isothermal amplification together with lateral flow dipstick assay for the detection and discrimination of parasitic infections in chickens between cestodes belonging to genus Raillietina and trematodes in family Echinostomatidae.
Res Vet Sci
January 2025
Applied Parasitology Research Laboratory, Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand; Research and innovation unit for diagnosis of medical and veterinary important parasites, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand. Electronic address:
Most poultry farming that has been conducted by smallholders in Thailand are free-range and housing systems, which have risks of parasitic infection from the environment, particularly from tapeworms in the genus Raillietina and trematodes in the family Echinostomatidae. These have become important health problems in the poultry industry, causing low feed conversion ratios and leading to the loss of economic value. Our objective was to develop and validate a molecular technique based on duplex loop-mediated isothermal amplification (LAMP) together with lateral flow dipstick (LFD) assay for discriminating the infections between the genus Raillietina (R.
View Article and Find Full Text PDFEffect of drinking water salinity on lactating cows' water and feed intake, milk yield, and rumen physiology.
Animal
December 2024
Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization, Rishon Lezion 7528809, Israel. Electronic address:
Use of desalinated seawater in arid and semiarid regions for domestic, industrial, and agricultural purposes is on the rise. Consequently, in those regions, drinking water offered to lactating cows has lower salinity and mineral concentrations than in the past. Although water with total dissolved solids (TDSs) of up to 1 000 ppm is considered safe for drinking, lower salinity level may affect rumen physiology, feed and water intake, or milk yield.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!