Straw Racks

Straw racks are feeding or enrichment structures that hold loose straw for animals, helping provide access to roughage while supporting species-typical behavior. By allowing animals to pull, manipulate, and consume straw through a rack rather than from an unrestricted pile, they can influence feeding time, foraging activity, and interactions with the environment. In behavioral research and livestock management, straw racks are used to provide environmental enrichment, reduce inactivity, and assess how animals respond to different housing conditions or resource-access designs. Their placement, accessibility, and construction can therefore affect welfare-related behaviors, competition, and the expression of natural feeding patterns.

Straw Racks - Related Videos

Research

JoVE Journal - Bioengineering

Design and Synthesis of a Reconfigurable DNA Accordion Rack

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Cited by 2 •

2018

We describe the detailed protocol for design, simulation, wet-lab experiments, and analysis for a reconfigurable DNA accordion rack of 6 by 6 meshes.

Research

JoVE Journal - Biology
Free Sample

Modified ES / OP9 Co-Culture Protocol Provides Enhanced Characterization of Hematopoietic Progeny

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Cited by 12 •

2011

mStrawberry OP9 cells allow for complete evaluation of all ES-derived progeny from co-culture.

Research

JoVE Journal - Behavior
Free Sample

An Operant Intra-/Extra-dimensional Set-shift Task for Mice

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Cited by 13 •

2016

Attentional set-shifting cognitive abnormalities are a core feature of many psychiatric diseases. Here, we present the development of a novel automatic system for the effective study of attentional set-shifting abilities, executive functions and other cognitive abilities in mice with high translational validity to human studies.

Education

JoVE Lab Manual - Chemistry

Esterification - Student Protocol

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2020

Source: Lara Al Hariri at the University of Massachusetts Amherst, MA, USA EsterificationExpand In this lab, you will synthesize an ester from a carboxylic acid and an alcohol in the presence of sulfuric acid. This reaction is called Fischer esterification. The sulfuric acid makes the carboxylic acid more reactive towards the alcohol. Without it, esterification would be slow and unfavorable. Esterification is highly reversible, so you'll use an excess of alcohol to drive the reaction towards...

Using Vertically Aligned Carbon Nanofiber Arrays on Rigid or Flexible Substrates for Delivery of Biomolecules and Dyes to Plants

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Cited by 1 •

2023

Here we describe methods for microfabricating vertically aligned carbon nanofibers (VACNFs), transferring VACNFs to flexible substrates, and applying VACNFs on both rigid and flexible substrates to plants for biomolecule and dye delivery.

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