*Salisu TF, Ademola JA, Adekunle ON, Adeleke MT, Oladunjoye RY, Aina SA, Owagboriaye FO, Agbolade OM.
  • access_time16 December, 2023

    subjectCategory: Biological Sciences

  • Enrichment of environmental conditions of laboratory mice model in most in-vivo studies may be attributed to quantity and quality of data output. Despite reports on welfare of Mus musculus (albino mice), there is dearth of studies in comparing standard breeding of this specie in enriched group (EG) and Un-enriched group (UG). The study examined productivity by breeding Mus musculus under standard laboratory condition, using comparison of this specie in proper (enriched) versus poor (unenriched) condition. Six male and female mice (20 to 25g) were immaculately housed, fed, grouped into 2 (EG and UG) and bred using 2 phases of trio system (one male and two females) for 12 weeks (84 days). Results inferred production of more litters in EG (18/19) than UG, (12/14), respectively and more females' production than males in both groups for both phases. The number of cannibalised litters was more in UG (5 litters were cannibalised with 71.4 to 91.7 % survival rate) compared to EG (1 litter was cannibalised with 94.7 to 100% survival rate), during both phases. A significant (p < 0.05) difference was observed in volume of water consumed and average weight of mice in EG, when compared to UG. However, no significant (p > 0.05) difference observed in feed consumption of the two groups. The temperature readings (33.53±0.16 / 34.89 ±0.21) of clinical and mercury in glass thermometers of both groups revealed no significant difference. Thus, enriched group of laboratory mice appears to be more productive than un-enriched group during breeding period.
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