Experimental Use

Kersemans, V., Wallington, S., Allen, P. D. et al. 2020. Manganese-free chow, a refined non-invasive solution to reduce gastrointestinal signal for T1-weighted magnetic resonance imaging of the mouse abdomen. Laboratory Animals 54(4), 353–364.

Commercial mouse chow is designed to provide a complete, nutrient-rich diet, and it can contain upwards of 100 mg/kg manganese, an essential mineral. Manganese acts as a relaxation time-shortening contrast agent for both T1 and T2...

Wang, R., Liu, R., Li, L. et al. 2020. Fasting is not required for measuring plasma lipid levels in rabbits. Laboratory Animals 54(3), 272–280.

Plasma lipid and glucose levels are important parameters for evaluating the onset and development of metabolic and cardiovascular diseases. In clinical and experimental studies of humans or mice, fasting is often required before testing plasma...

Millecam, J., van Bergen, T., Devreese, M. 2020. Gastrostomy tube placement via a laparotomic procedure in growing conventional piglets to perform multidose preclinical paediatric drug studies. Laboratory Animals 54(3), 261-271.

The use of juvenile conventional pigs as a preclinical animal model to perform pharmacokinetic (PK), pharmacodynamic (PD) and safety studies for the paediatric population is increasing. Repetitive oral administration of drugs to juvenile pigs is...

Lawrence, M. J., Raby, G. D., Teffer, A. K. et al. 2020. Best practices for non-lethal blood sampling of fish via the caudal vasculature. Journal of Fish Biology 97(1), 4–15.

Blood sampling through the caudal vasculature is a widely used technique in fish biology for investigating organismal health and physiology. In live fishes, it can provide a quick, easy and relatively non‐invasive method for obtaining...

Kralj-Fišer, S., Gregorič, M. 2019. Spider welfare. In: The Welfare of Invertebrate Animals. Carere, C., Mather, J. (eds), 105-122. Springer, Cham.

Spiders with around 48,000 recorded species are major terrestrial predators and thus crucially important for ecosystem functioning. They are widely used as research models and for biodiversity displays and sometimes also kept as pets. Nevertheless...

Ballantine, A., Rodgers, D., Watts, C. et al. 2020. The cotton rat – a new challenge. Animal Technology and Welfare 19(1), 92-95.

This poster describes how the Animal Technologists at Envigo adapted their current practices and procedures for a new species at their laboratory: the cotton rat. The paper describes cotton rat biology and behaviour; housing; environmental...

Forrest, G., Sattar, A., Evenden, P. et al. 2020. A sweet change to the needle. Animal Technology and Welfare 19(1), 73-75.

The Named Veterinary Surgeon (NVS) at the Royal Veterinary College in London suggested providing post-operative pain relief (carprofen) to rats in raspberry flavoured jelly to avoid the use of s.c. injections. This article provides a...

Whittaker, A. L., Barker, T. H. 2020. The impact of common recovery blood sampling methods, in mice (Mus musculus), on well-being and sample quality: A systematic review. Animals 10(6), 989.

Blood sampling is often performed in laboratory mice. Sampling techniques have the potential to cause pain, distress and impact on lifetime cumulative experience. In spite of institutions commonly providing guidance to researchers on these methods...

Mei, J., Kohler, J., Winter, Y. et al. 2020. Automated radial 8-arm maze: A voluntary and stress-free behavior test to assess spatial learning and memory in mice. Behavioural Brain Research 381, 112352.

The radial arm maze (RAM) is a common behavioral test to assess spatial working and reference memory in mice. However, conventional RAM experiments require a substantial degree of manual handling and animals are usually subjected...

Nøgaard, S. A., Sand, F. W., Sørensen, D. B. et al. 2020. Four- and six-hour urinary albumin excretion is a valuable alternative to 24-h urinary albumin excretion in male db/db mice. Animal Welfare 29(2), 143-149.

In mouse (Mus musculus) models of diabetic nephropathy (DN), one of the most important read-outs is the 24-h urinary albumin excretion (UAE). The 24-h urine collection is usually performed by single housing mice in metabolic...

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