List of articles № 76
How Much Does a Dumbo Rat Weigh?
Male Dumbo rats usually fall within a specific weight interval that distinguishes them from other fancy rat varieties. Adult males, fully mature at eight to ten weeks, commonly weigh between 300 g and 450 g. The distribution of weights can be expressed as follows:. Date latest changes:
How to Properly Feed a Domestic Rat: Recommendations
Proteins supply the amino acids required for tissue growth, repair, and enzymatic functions in domestic rats. The recommended intake ranges from 15 % to 20 % of total dietary calories, equivalent to approximately 2 – 3 g of protein per 100 g of body weight daily for an adult animal.. Date latest changes:
At What Age Do Rats Start Breeding?
Rats live between two and three years under optimal laboratory conditions, with average survival of 24–30 months in the wild. Their development proceeds through distinct phases that determine the onset of reproductive capability. Neonatal period (0‑7 days):. Date latest changes:
Tablets for Rats and Mice: Effectiveness and Safety
Active ingredients used in oral rodent formulations fall into several pharmacological classes, each with distinct therapeutic goals and safety profiles. Antibiotics – β‑lactams, tetracyclines, fluoroquinolones, and macrolides eradicate bacterial infections.. Date latest changes:
Pet rats may consume carrots, but only as a supplemental treat. Carrots offer beta‑carotene, fiber, and vitamin A, which can benefit a rat’s diet when presented in limited quantities. Raw carrots must be washed thoroughly to remove pesticide residues and cut into bite‑size pieces to prevent choking.. Date latest changes:
Which Cage Is Suitable for Housing a Rat
A rat’s well‑being depends on sufficient space for movement, exploration, and exercise. An enclosure that fails to meet basic size requirements restricts natural behaviors and can lead to stress‑related health issues. Floor area: at least 0.. Date latest changes:
Symptoms and Treatment of Stroke in Rats
Ischemic stroke models provide the experimental foundation for evaluating neurological deficits and therapeutic interventions in rodents. Researchers induce focal cerebral ischemia by occluding the middle cerebral artery, using an intraluminal filament that mimics thrombotic blockage.. Date latest changes:
Can Domestic Rats Be Given Melon
Melons contain a range of micronutrients that can affect the health of pet rats when offered in moderation. The fruit’s nutrient profile includes vitamins A, C, B‑complex (B1, B2, B6, folate) and minerals such as potassium, magnesium, calcium, and small amounts of iron and zinc.. Date latest changes:
What Is the External Difference Between a Rat and a Mouse
Rats and mice differ primarily in overall dimensions. An average Norway rat (Rattus norvegicus) measures 20–25 cm in body length, with a tail of similar length, and weighs 250–500 g. In contrast, a typical house mouse (Mus musculus) has a body length of 7–10 cm, a tail of 5–10 cm, and a weight of 15–30 g.. Date latest changes:
Lifespan of Decorative Rats in Home Care
The longevity of ornamental pet rats maintained in domestic environments depends on multiple interrelated elements. Genetic quality and breed selection Nutritional balance and diet consistency Environmental temperature and humidity control Exposure to pathogens and parasite management Physical activity opportunities and enrichment Veterinary preventive care and routine health assessments Stress reduction through stable social structures and handling practices. Date latest changes:
Wormwood and Mice: Using Plants to Keep Rodents Away
Wormwood (Artemisia absinthium) exhibits a suite of botanical traits that contribute to its effectiveness as a rodent deterrent. The plant forms a woody, upright shrub reaching 1.5 m in height. Stems are densely covered with fine, silvery‑gray trichomes that reflect sunlight and reduce herbivory.. Date latest changes:
Glycemic profile of mice: what the study reveals
Mouse models provide a controlled platform for investigating the mechanisms underlying dysglycemia. Genetic manipulation enables the creation of strains that mimic human insulin resistance, β‑cell dysfunction, or obesity‑related hyperglycemia, allowing researchers to isolate specific pathways.. Date latest changes:
Safe Methods for Removing Mice from the Home
Mice introduce a range of health hazards that can compromise indoor environments. Direct contact with droppings, urine, or saliva creates pathways for pathogens. Contaminated surfaces become sources of infection for occupants. Key risks include:. Date latest changes:
Are Field Mice Dangerous to Humans and Crops?
Field mice are small (5–10 cm body length) rodents with a slender build, soft fur, and a pointed snout. Their ears are relatively large, positioned high on the head, and their tails are short, covered with fine hair rather than scales. These physical traits differentiate them from larger rodents such as rats, which possess robust bodies, proportionally smaller ears, and longer, scaly tails.. Date latest changes:
Why mice enter homes in certain seasons
Mice increase indoor activity during particular periods because instinctual and survival mechanisms align with seasonal changes. When external temperatures fall, thermoregulatory behavior compels the species to locate environments that maintain a stable, warmer microclimate.. Date latest changes:
Can Mice Crawl on Walls? Exploring Their Abilities
Mice rely on specialized fore‑ and hind‑paws equipped with flexible pads and sharp claws to negotiate vertical surfaces. The pads contain dense arrays of sensory receptors that detect minute variations in texture, while the claws provide a mechanical hook for anchoring into micro‑roughness.. Date latest changes:
Ultrasonic Repellents for Rats and Mice
Ultrasonic rodent deterrents emit sound waves above 20 kHz, a range inaudible to humans but well within the hearing capabilities of rats and mice. The devices generate pulses that create rapid pressure fluctuations in the air, producing a sharp, uncomfortable sensation for the target animals.. Date latest changes:
Essential Oil Against Mice Indoors: Proven Recipes
Mice infiltrate residential spaces in search of food, shelter, and warmth. Their gnawing habit damages structural components, including wiring, insulation, and wooden framing, which can lead to costly repairs and increased fire risk. By contaminating stored provisions with urine, feces, and saliva, they create health hazards that may trigger allergic reactions or transmit pathogens such as hantavirus, salmonella, and leptospirosis.. Date latest changes:
To Which Biological Group Does a Mouse Belong?
Mice belong to the class Mammalia, which is defined by endothermy— the ability to regulate internal temperature independent of ambient conditions. Warm‑blooded organisms sustain a relatively high and stable body temperature through metabolic heat production, a trait that distinguishes them from reptiles, amphibians, and fish, which rely on external heat sources.. Date latest changes:
From what age do cats start catching mice
Cats typically begin to exhibit predatory behavior between four and twelve weeks of age, but the precise onset of mouse hunting is strongly influenced by inherited traits. Genetic predisposition determines the development of neural circuits governing stalking, pouncing, and coordination, which in turn affect the timing of successful capture attempts.. Date latest changes:
How to Prevent Mice from Appearing in the House
Mice are attracted to easily accessible food and water. Eliminate these resources to reduce the likelihood of infestation. Secure all food items in airtight containers made of metal or heavy‑duty plastic. Store dry goods, pet food, and grains on shelves away from floor level.. Date latest changes:
Rats employ a diverse repertoire of vocalizations that vary by frequency range, intensity, and behavioral context. Each sound conveys specific information to conspecifics and, in some cases, to predators or researchers. High‑frequency squeaks (10–50 kHz):. Date latest changes:
Basement rat: photo of a real underground dweller
A “basement rat” refers to a rodent, usually a brown or black rat, that lives and breeds in residential or commercial basements. These animals exploit the darkness, humidity, and access to food waste that characterize such spaces. Key traits include:. Date latest changes:
Small Decorative Rats: Overview
The domestication of rats for ornamental use began with early human societies that kept wild specimens for ritual and symbolic purposes. Archaeological evidence from ancient Egypt shows rat skulls placed in burial contexts, indicating selective capture and limited breeding.. Date latest changes:
Muskrat and Rat: Interaction Between Two Species
Muskrats (Ondatra zibethicus) exhibit a compact body adapted for semi‑aquatic life. The head is rounded, eyes and ears are small, and whiskers are densely packed, providing tactile feedback in murky water. Typical dimensions range from 30 cm to 45 cm in total length, including a laterally flattened tail that measures 10 cm to 15 cm.. Date latest changes:
What Benefits Do Rats Provide? Ecosystem Contribution
Rats often evoke negative reactions, yet their ecological functions warrant a more balanced assessment. In natural and urban habitats, these mammals influence multiple processes that sustain biodiversity and ecosystem stability. • Seed dispersal:. Date latest changes:
What Does a Field Rat Look Like?
Field rats are frequently misidentified because their appearance differs from popular assumptions. Clarifying these errors improves identification in agricultural, ecological, and pest‑management contexts. Many believe field rats possess long, glossy fur;. Date latest changes:
Can Rats Be Given Sugar: Pros and Cons
Rats require a balanced intake of protein, fat, carbohydrates, fiber, vitamins, and minerals to maintain growth, reproduction, and immune function. Commercial rodent pellets are formulated to meet these needs, delivering consistent nutrient ratios and minimizing deficiencies.. Date latest changes:
Rabies in Fancy Rats: Risks and Prevention
The rabies virus, a single‑stranded RNA pathogen of the Rhabdoviridae family, is the etiological agent responsible for the fatal encephalitic disease observed in mammals, including domesticated rats kept for exhibition or companionship. Transmission occurs through saliva introduced via bites, scratches, or mucosal contact with infected tissue.. Date latest changes:
Can Rats Be Given Cooked Corn: Pros and Cons
Cooked corn supplies primarily carbohydrate, with modest amounts of protein and fat, and a small fraction of dietary fiber. The carbohydrate content delivers quick energy, while protein contributes to tissue maintenance. Fat provides essential fatty acids, and fiber aids gastrointestinal motility.. Date latest changes:
How to Drive a Rat Out of a Room?
Identifying rat activity is the first step toward eliminating the intruder safely and efficiently. Observable evidence indicates the animal’s presence, confirms the need for intervention, and guides the choice of control measures. Fresh droppings, typically ½‑inch long, dark, and tapered at one end Gnaw marks on wood, plastic, or wiring, often on edges and corners Grease‑filled pathways along walls, visible as dark smears Scratching sounds in ceilings or attics, espec. Date latest changes:
How Many Pups Does a Rat Usually Have?
Rats reproduce rapidly, reaching sexual maturity at 5–6 weeks for females and 6–8 weeks for males. A female enters an estrous cycle lasting 4–5 days, with the proestrus and estrus phases marking peak fertility. During estrus, pheromonal cues and ultrasonic vocalizations attract males, prompting a series of mounting attempts that culminate in a brief copulatory tie lasting 20–30 seconds.. Date latest changes:
Regular removal of urine, droppings, and food residue eliminates ammonia buildup, the primary irritant of rodent respiratory tracts. Clean the cage at least twice weekly; increase frequency during warm months when evaporation accelerates ammonia concentration.. Date latest changes:
Rats possess specialized hindfeet and forepaws that enable them to negotiate vertical and near‑vertical surfaces. The pads are covered with dense, short hairs that increase friction, while the underlying skin is highly flexible, allowing the foot to conform to irregular textures.. Date latest changes:
Types of Wild Rats: Photos and Names
Wild rats are non‑domesticated members of the family Muridae that live and reproduce in natural or semi‑natural environments. They differ from laboratory or pet rats in genetics, behavior, and ecological impact. Their populations thrive in fields, forests, urban alleys, and sewage systems, where they exploit diverse food sources and shelter.. Date latest changes:
Rats thrive in diverse ecosystems because they consume both plant and animal matter. Their digestive systems can process seeds, fruits, roots, leaves, insects, carrion, and small vertebrates without specialized adaptations. Seeds and grains:. Date latest changes:
Ground Rat in Garden: Photos and Control Methods
The garden ground rat, a small burrowing rodent, can be identified by a combination of morphological traits and activity signs. Adult size ranges from 10 to 15 cm in body length, with a tail proportionally short—approximately one‑third of the body.. Date latest changes:
What Rats and Mice Like and Dislike
Rats and mice exhibit a strong preference for foods that are high in carbohydrates, proteins, and fats, while also seeking moisture and texture variety. Their natural foraging behavior drives selection of items that provide rapid energy and support growth.. Date latest changes:
Mouse Repellent: Most Effective Control Products
Food availability drives mouse activity; eliminating accessible nourishment is a prerequisite for any successful deterrent strategy. Common attractants include: Grains, cereals, and flour stored in unsealed containers Pet food left uncovered overnight Household waste that is not tightly sealed Fresh fruit, vegetables, and nuts exposed on countertops Birdseed spilled on balconies or in yards Crumbs and grease residues on floors and appliances Effective contro. Date latest changes:
World Mouse Day: celebrating small heroes
World Mouse Day, observed each year on 19 May, honors the contributions of mice to science, culture, and ecosystem balance. The event originated in 2009 when a small nonprofit group of laboratory‑animal advocates organized a single social‑media post to raise awareness of the species’ role in biomedical research.. Date latest changes: