List of articles № 130
Mice in the Apartment: How to Quickly Get Rid of Unwanted Guests
Rodent feces are typically 3‑5 mm long, dark brown to black, and have a tapered shape. They appear along walls, behind appliances, in cupboards, and near food containers. Fresh droppings are moist and may leave a faint oily sheen; older specimens become dry and crumbly.. Date latest changes:
What Is the Fight Against Mice Called: Methods and Terminology
Mice belong to the order Rodentia, family Muridae, with the common house mouse (Mus musculus) serving as the primary species encountered in domestic and commercial settings. Adult individuals weigh 15–30 g, exhibit a body length of 7–10 cm, and possess a high surface‑to‑mass ratio that facilitates rapid heat loss and swift movement through confined spaces.. Date latest changes:
Explosive Mixture as Mouse Poison: Pros and Cons
The chemical makeup of an explosive rodenticide determines its lethality, stability, and handling requirements. Formulations typically combine an oxidizing agent, a combustible fuel, a sensitizing additive, a stabilizer, and a palatable attractant to ensure effective delivery to target pests.. Date latest changes:
Mouse Glue: Reviews and Recommendations
Mouse glue is a solid, non‑toxic polymer matrix applied to a backing material. The matrix contains a high‑viscosity adhesive that remains tacky over a wide temperature range. When a rodent steps onto the surface, the adhesive bonds to the pads of its feet and the fur on its tail, creating an immediate, irreversible grip.. Date latest changes:
Why Cats Like to Hear a Mouse Squeak: A Scientific Review
Cats detect mouse squeaks primarily because the sounds fall within the upper segment of their auditory spectrum. Domestic felines respond to frequencies from roughly 48 Hz to 85 kHz, with peak sensitivity between 1 kHz and 64 kHz. Mouse vocalizations, especially the high‑pitched squeaks produced during distress or communication, typically occupy 10 kHz to 30 kHz, aligning precisely with the cat’s most acute hearing band.. Date latest changes:
Sounds that repel mice and rats in the home
Rodent deterrent devices rely on acoustic emissions that exceed the hearing threshold of mice and rats while remaining inaudible to humans. Effective systems concentrate energy within specific ultrasonic bands, each associated with distinct behavioral responses.. Date latest changes:
How to Catch a Mouse Indoors Without a Trap: Handy Tips
Droppings and urine odors provide reliable indicators of mouse activity inside a home. Fresh droppings appear as small, dark pellets about the size of a grain of rice, often found along walls, behind appliances, or in hidden corners. Urine leaves a faint, musky scent that intensifies in enclosed spaces such as cabinets, closets, or under furniture.. Date latest changes:
How to Tame a Rat: Step by Step
Understanding a rat’s body language is essential for successful taming. Observing posture, movements, and vocal cues reveals the animal’s comfort level and readiness to engage. Typical signals include: Tail position – a relaxed, loosely hanging tail indicates calm;. Date latest changes:
Why Rats Vibrate: Scientific Explanation of Behavior
Rats produce rapid, low‑amplitude body movements that can be categorized as either vibration or shivering, each serving distinct physiological functions. Vibration refers to rhythmic oscillations of the whole body or specific muscle groups that occur without a substantial increase in metabolic heat production.. Date latest changes:
Office Rats: How to Eliminate Rodents in the Workplace
Rodent presence in office environments creates direct health hazards that affect employee well‑being and operational continuity. Rodents carry pathogens that can be transferred to humans through droppings, urine, saliva, and contaminated surfaces, leading to acute and chronic illnesses.. Date latest changes:
Why Do Rats Frequently Hiccup?
Rats experience hiccups when the diaphragm undergoes sudden, involuntary contractions that interrupt normal breathing cycles. The muscle’s rapid shortening forces the glottis to close, producing the characteristic “hic” sound and brief pause in airflow.. Date latest changes:
Physiological stress responses in rodents confined to a restricted space are characterized by rapid activation of the hypothalamic‑pituitary‑adrenal (HPA) axis. Corticotropin‑releasing hormone (CRH) released from the hypothalamus triggers adrenocorticotropic hormone (ACTH) secretion, leading to a surge of corticosterone within minutes.. Date latest changes:
Origin of Rats: Evolutionary History
The earliest members of the murid lineage appear in the early Oligocene, roughly 34–30 million years ago, when diversifying rodent clades colonized Eurasia and North America. Fossil material from the Messel Pit (Germany) and the Rusinga Island deposits (Kenya) documents small, squirrel‑like forms that exhibit the dental pattern characteristic of murids:. Date latest changes:
A well‑designed enclosure for a pair of rats must support physical health, mental stimulation, and disease prevention. Size, material, and maintenance practices directly affect these outcomes. Minimum floor area of 1 ft² per animal, with a height of at least 12 in.. Date latest changes:
Rat Poisoning: Method Name and When to Use It
Rodenticides fall into distinct chemical families, each with specific action mechanisms and optimal application scenarios. First‑generation anticoagulants (e.g., warfarin, chlorophacinone) require multiple feedings; suitable for low‑density infestations where gradual mortality reduces bait shyness.. Date latest changes:
Allium vegetables, including green onion, contain sulfur‑derived chemicals that are hazardous to rodents. The primary toxic agents are: Thiosulfinates (e.g., allicin) – generated when plant cells are damaged; they oxidize hemoglobin and damage red blood cell membranes.. Date latest changes:
Do Rats Remember Their Owners?
Rats form lasting memories of individuals who provide food, handling, or shelter. The underlying circuitry involves several interconnected structures that encode, consolidate, and retrieve social information. The hippocampus receives sensory input from the entorhinal cortex and creates spatial and contextual representations.. Date latest changes:
Rats are classified as omnivores, meaning they consume both plant material and animal protein. Their dentition includes continuously growing incisors that can slice flesh and gnaw through bone, enabling them to process a wide range of prey. Key physiological traits that support predation on small birds:. Date latest changes:
Blood in a Rat’s Eyes: Causes and Treatment
A typical laboratory rat eye exhibits a compact globe measuring approximately 5–6 mm in horizontal diameter. The cornea is transparent, smooth, and lightly convex, permitting clear passage of light. Directly behind the cornea lies the avascular lens, which appears pale‑white and maintains a spherical shape essential for focusing.. Date latest changes:
Red nasal discharge in rats: Causes
Red nasal discharge in rats refers to the presence of blood‑tinged fluid expelled from the nostrils. The coloration results from the admixture of serum, mucus, and erythrocytes, indicating that vascular structures within the nasal cavity have been compromised.. Date latest changes:
How to sew a hammock for a rat yourself
A rat hammock must combine softness with structural integrity to keep the animal calm and safe while it rests. Select fabric that feels gentle against fur yet resists tearing. Ideal options include tightly woven cotton, fleece, or lightweight canvas treated with a non‑toxic sealant.. Date latest changes:
A Rat Is Gasping: Causes and First Aid
Gasping refers to rapid, shallow breaths that are often audible and irregular. In rodents, gasping indicates a failure of the normal respiratory rhythm, usually caused by insufficient oxygen, obstruction of the airway, or severe metabolic imbalance.. Date latest changes:
Why Does a Rat Have One Eye Larger: Medical Reasons
Rats occasionally display a noticeable size difference between their eyes. This asymmetry can arise from normal developmental variation or indicate underlying pathology. Distinguishing between the two requires careful observation of associated characteristics.. Date latest changes:
Traditional Remedies to Permanently Eliminate Rats from Hard-to-Reach Areas of a Private Home
Rats infiltrate attics and wall voids because these spaces provide shelter, food access, and escape routes. Effective traditional control relies on habitat alteration, physical barriers, and natural repellents that act without chemical dependence.. Date latest changes:
Dichlorvos as a Mouse Control Agent
Organophosphate pesticides are synthetic compounds derived from phosphoric, phosphonic, or phosphorothioic acids. Their primary biological effect is irreversible inhibition of acetylcholinesterase, leading to accumulation of acetylcholine at neural synapses.. Date latest changes:
Expanded Clay and Mice: How Building Material Attracts Rodents
Expanded clay is produced by heating natural clay in a high‑temperature furnace until the moisture within the particles vaporizes, causing the material to swell into a lightweight, porous aggregate. The process consists of several distinct stages.. Date latest changes:
How Much Does a House Mouse Weigh: Interesting Facts
House mice (Mus musculus) display a predictable weight trajectory from birth to senescence. Newborn pups weigh approximately 1 g, a figure that reflects the limited tissue development present at delivery. Within the first week, rapid growth increases mass to 2–3 g as skeletal muscle and organ systems expand.. Date latest changes:
Mice in the House: Prevention of Rodent Appearance
Mice that infiltrate residential spaces act as carriers of several pathogens capable of causing human illness. Direct contact with mouse urine, feces, or saliva can introduce bacteria such as Salmonella and Leptospira into the home environment.. Date latest changes:
Smells That Repel Mice at Home and How to Use Them
Mice rely heavily on olfactory cues to establish territories, identify kin, and signal reproductive status. Individual scent marks, primarily urine and glandular secretions, contain specific pheromones that other mice detect with a highly sensitive nasal epithelium.. Date latest changes:
Kitten and Mouse: Preventing Conflicts Between Pets
The feline predatory drive originates from evolutionary hunting instincts that compel cats to stalk, chase, and capture moving prey. Visual motion, high‑frequency sounds, and rapid tail movements activate neural pathways linked to this drive, producing a surge of adrenaline and focused attention.. Date latest changes:
Traditional Remedies for Mice: What Works Best
Detecting a mouse infestation promptly determines which traditional control methods can be applied effectively. Early identification prevents damage to stored food, structural materials, and health risks associated with rodent-borne pathogens.. Date latest changes:
How to Detect and Dispose of a Dead Mouse in the House
When a rodent carcass is hidden inside a residence, the first step is to identify likely hiding places. Mice prefer secluded, dark environments where food residues or nesting material are present. Behind or beneath appliances such as refrigerators, stoves, and dishwashers.. Date latest changes:
Ultrasonic mouse repeller: is it dangerous for people?
Ultrasound consists of acoustic waves with frequencies above the upper limit of human hearing, typically greater than 20 kHz. Devices that deter rodents generate these waves using piezoelectric crystals that convert electrical voltage into rapid mechanical vibrations.. Date latest changes:
How to Protect Foam from Mouse Chewing in a Frame House
Foam used in a timber frame structure must possess characteristics that deter rodents and maintain integrity under environmental stress. High density reduces the ability of mice to gnaw through the material, because the required bite force exceeds the animal’s typical capability.. Date latest changes:
Potato Storage Box Designs that Protect Against Mice
Mice can introduce a range of pathogens onto stored potatoes, creating direct health hazards for consumers. Their saliva, urine, and feces carry bacteria such as Salmonella and E. coli , which may multiply on tubers if moisture and temperature conditions permit.. Date latest changes:
Dream Dictionary: Meaning of a White Rat in Dreams
Rats appear repeatedly in collective unconscious as symbols of hidden survival mechanisms, social hierarchy, and adaptive intelligence. Their presence in nocturnal narratives signals the dreamer’s relationship with instinctual drives and the unseen structures that govern daily life.. Date latest changes:
Subdermatitis in Rats: Diagnosis and Treatment of Skin Conditions
The clinical picture of subdermal inflammation in laboratory rats is defined by a consistent set of dermatological signs. Affected animals display well‑demarcated, erythematous plaques that may be raised or indurated. Lesions frequently localize to the dorsal neck, ventral abdomen, and distal limbs, but can extend to any hair‑covered area.. Date latest changes:
Large Wild Rats: Behavioral Traits and Ecology
Large rodent taxa that exceed the dimensions of typical urban rats occupy diverse habitats and exhibit specialized behaviors. Each species demonstrates distinct morphological and ecological adaptations that shape its role within ecosystems. Rattus norvegicus (Norwegian or brown rat) – body length up to 30 cm, weight 300–500 g;. Date latest changes:
Common Decorative Rat: Features
The ornamental rat traces its ancestry to wild Rattus populations native to Southeast Asia, where early traders valued the animal for its distinctive coat patterns and manageable size. Archaeological evidence shows that these rodents were captured for display purposes as early as the 3rd century CE, with artifacts depicting stylized rat figures found in trade hubs along the Mekong River.. Date latest changes:
The photograph depicting an unusually large rat navigating a city sidewalk captured widespread attention on multiple platforms. Its striking composition, featuring high contrast lighting and a close‑up perspective, immediately drew viewers’ eyes, prompting rapid sharing.. Date latest changes: