Developed by C.C. Strains 6 and 10 separated about 1937. The body weight increase profile was also similar for that of BALB/c mice (Fig. All mice were adapted to the experimental environment for one week (22 ± 1 °C, 45–55% humidity, and normal day/night cycle). Serum leptin was determined with a Quantikine murine leptin enzyme-linked immunosorbent assay (R&D Systems, Minneapolis, Minnesota) and plotted against total body weight. 1c). The oral acute toxicity study of the tested plant extract was carried out on BALB/c mice at single dose of 300, 2 000 and 4 000 mg/kg body weight and was continuously monitored for first 4 h, followed for a period of 72 h for any toxic effect after the treatment period. The weight of PbA-BALB/c mice exhibited a sustained decrease consistent with decreased food intake from day 12 post infection, but even on day 15, their food intake remained at around half of that of uninfected mice, consistent with the large amount of food residue and serious gastric dilatation seen in dissected PbA-BALB/c mice. Large brain to body weight ratio. mice, no difference revealed for the body weight between control and obesity model (Fig. To The Jackson Laboratory in 1948 from Hall. Little in 1921, from a mating of Miss Abby Lathrop’s stock that also gave rise to strains C57BR and C57L. Male BALB/c mice (n = 5) were fasted (•) or received ip injections of RPMI ( ) or of C75 (30 mg/kg) ( ) and were free-fed for 24 hours, weighed, and then exsanguinated. They are more sensitive to noise and odours and are more likely to bite than the more docile laboratory strains such as BALB/c.. Group-housed C57BL/6 mice (and other strains) display barbering behaviour, in which the dominant mouse in a cage selectively removes hair from its subordinate cage mates. The pyramid mating system ensures our C57BL/6 mice are genetically identical within each mouse strain. The results indicated that both strains of mice … University Health Center and used 45 male albino mice of the BALB/c strain from the vivarium, with an average weight of 30± 5 g. During the experiment, the animals were maintained for 28days in a 12 hour light/ dark photoperiodic cycle with controlled ventilation (20 air changes/ Nude (hairless) mice are the result of a spontaneous mutation in the FOXN1 gene, they are historically on Balb/C background, but now are available on other strains (within the last 5 … C57BL/6 mice have a dark brown, nearly black coat. Anatomy Large brain weight (Storer, 1967; Roderick et al, 1973; Wahlsten et al, 1975). The BALB/c is used as a general-purpose strain in many disciplines. BALB/c mice have the characteristics of easy breeding and minimal weight variations between males and females. Well known for the production of plasmacytomas on injection with mineral oil. 1b). In this study, 2 strains of mice (BALB/c and CB6F1) were vaccinated with a range of Bacille Calmette-Guérin (BCG) Danish doses from 3×105 to 30 CFU/mouse, followed by either immunogenicity evaluation or aerosol infection with Mycobacterium tuberculosis (a laboratory strain H37Rv or West-Beijing HN878 strain). On the other The weight of scraped mucosa per unit length of small intestine was reduced significantly in BALB/c mice after treatment with RTX so that on day 7, the mean weight was 7.5 ± 3.4 mg/cm compared with 18.5 ± 3.4 mg/cm (five mice/group). Hence in our present experiment conditions, HFD treated C57BL/6 and BALB/c mice failed to gain much higher body weight than control. Hi, we try to establish a solid tumor model with the A20 (ATCC TIB-208) cell line in Balb/c mice (Charles River). 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