A jackson laboratory resource manual this manual describes breeding strategies and techniques for maintaining colonies of laboratory mice these techniques have been developed and used by the jackson laboratory for nearly 80 years they are safe, reliable, economical, efficient, and ensure that the mouse strains. Occupational health and safety program report of injuries potential risks incurred when personnel work with laboratory animals personal protective equipment (ppe) recommendations may include temporary job re- assignment during pregnancy to avoid contact with cat feces q-fever q-fever is a highly infectious. This paper reports a case of super pregnancy in a balb/c mouse pregnant with 30 pups following induction of superovulation using a pmsg-hcg protocol superovulation was induced in 10 mice by injecting 5 iu pmsg followed by 5 iu hcg 48 hours later immediately after injection of hcg, animals were. Technician as a clinical health case) or to recognize a sick mouse or rat when they encounter one on their own in examine the animal personally before a case report is sent to the lab (due to the large number and wide the only mouse that should normally have a large or distended abdomen is a pregnant mouse (and. Mice can be moved a short distance for examination by being picked up at the base of the tail and placed onto the top of their cage allowing the mouse to grasp the bars with the forefeet and direct its effort away from the handler very obese or pregnant mice should have a hand placed under the abdomen. This experiment thus demonstrates the anxioselectivity of the gestational exposure to auditory stress on dams on plus maze anxiety figure 2 figure 2 table 2 provides a summary of the statistical analyses of uterus receptivity and pregnancy outcome among the three groups the dams in the as group.
The aschheim–zondek reaction is generally regarded as the first reliable hormone test for pregnancy and as a major product of the 'heroic age' of reproductive endocrinology invented in berlin in the late 1920s, by the mid 1930s a diagnostic laboratory in edinburgh was performing thousands of tests every year for doctors. To get one mouse from another takes a relatively short 2 months, and gestation period is 19-21 days mice are born pink and hairless, deaf and with closed eyes, and require constant attention and feeding from their dam however, they develop rapidly and are weaned at 3 weeks of age, by which time the. Although a wild animal, the house mouse mainly lives in association with humans the house mouse has been domesticated as the pet or fancy mouse, and as the laboratory mouse, which is one of the most important model organisms in biology and medicine the complete mouse reference genome was sequenced in.
To prepare for the arrival of her offspring, the pregnant mouse will begin building a nest around five to 14 days before giving birth provide her with a nesting you can also leave material in her cage so she can construct her own nest, such as shredded paper, cloth, string, plants, burlap or other soft material she'll use the. I report here a study in which ingested, waste, res- piratory and production energy have been determined throughout growth, pregnancy and lactation in the laboratory mouse, mus musculus multiple regression models of these various bioenergetic parameters have been constructed although several studies of certain.
In the hierarchy of lab animal species, the rat and mouse rule as queen and king a recent report from the european union counted up the vertebrates used for experiments in 2008—that's every fish, bird, reptile, amphibian, and mammal that perished in a research setting, pretty much any animal more. A pregnancy test attempts to determine whether a woman is pregnant markers that indicate are found in urine and blood, and pregnancy tests require sampling one of these substances the first of these markers to be discovered, human chorionic gonadotropin (hcg), was discovered in 1930 to be produced by the.