List of articles № 117
Rat Breeds: Photos of Popular Varieties
Understanding the distinctions among rat varieties is essential for accurate identification, responsible breeding, and effective care. Precise classification enables owners and professionals to match animals with appropriate environments, dietary regimes, and health protocols.. Date latest changes:
Depression in Rats: Signs and Mental Health Prevention
Rats exhibiting depressive-like states display a consistent set of behavioral alterations that serve as reliable indicators for researchers. These manifestations include diminished interest in rewarding stimuli, decreased spontaneous movement, reduced social engagement, and abnormal self‑care patterns.. Date latest changes:
Black rats (Rattus rattus) are medium‑sized murids with adult body lengths ranging from 16 cm to 22 cm, not including the tail. Typical body mass falls between 120 g and 250 g, though individuals in abundant food environments may exceed this range.. Date latest changes:
Big Water Rat: Name and Characteristics
Early European explorers documented the species during river expeditions in the late 18th century, noting its size, semi‑aquatic habits, and distinctive whisker pattern. Field notes from 1793 describe a mammal that foraged along riverbanks and entered shallow water to escape predators, providing the first systematic account of its behavior.. Date latest changes:
Colors Seen by Rats: Visual Perception Study
Rats possess a retina dominated by rods, accounting for roughly 85 % of photoreceptors, with cones representing the remaining 15 %. This ratio reflects the species’ nocturnal habits and limits the range of wavelengths that can be discriminated under low‑light conditions.. Date latest changes:
Why a Rat Breathes Rapidly: Causes of Fast Breathing
Rats maintain a steady respiratory rhythm when at rest, characterized by a frequency of 80–120 breaths per minute, a tidal volume of approximately 0.2 ml per gram of body weight, and a regular inspiratory‑expiratory (I:E) ratio close to 1:1.. Date latest changes:
Protective Collar for Rats: Necessity and Model Selection
Protective collars for rats are essential during post‑surgical recovery to prevent self‑injury, wound dehiscence, and interference with sutures. The collar creates a physical barrier that limits the animal’s ability to reach the incision site, thereby reducing the risk of infection and promoting tissue integrity.. Date latest changes:
Can Rats Eat Green Grapes? Nutritional Value
Green grapes provide a concise profile of micronutrients that can contribute to the dietary requirements of laboratory rats. The fruit delivers several vitamins essential for metabolic processes and a range of minerals that support enzymatic activity and bone health.. Date latest changes:
Can Decorative Rats Be Fed Nectarines?
Pet rats require a diet that supplies adequate protein, essential fatty acids, carbohydrates, and fiber to support growth, reproduction, and immune function. Commercial rat blocks or pellets formulated for rodents typically deliver 14‑18 % protein, 4‑6 % fat, and balanced fiber, forming the foundation of a healthy regimen.. Date latest changes:
Optimal Frequency for Cleaning a Rat Cage
A contaminated rodent enclosure creates a direct pathway for pathogens, parasites, and toxic metabolites to affect animal welfare. Accumulated urine, feces, and bedding debris foster bacterial proliferation, elevate ammonia levels, and attract insects, each contributing to physiological stress.. Date latest changes:
Can Pet Rats Be Bathed: Proper Methods
Pet rats devote a substantial portion of their daily activity to self‑grooming. This behavior serves to remove debris, distribute natural oils, and maintain the integrity of the fur and skin. When a rat engages in meticulous nibbling and licking, it reduces the need for external cleaning procedures.. Date latest changes:
How to remove ground rats from a garden? Practical tips
Ground rats reveal their presence through distinct physical evidence and behavioral cues. Recognizing these indicators early prevents extensive damage and simplifies control measures. Fresh droppings, typically 1–2 cm long, dark brown, found near vegetable rows, seed beds, or under plant debris.. Date latest changes:
Can rats be given unsweetened tea
Rats may receive plain tea, but the beverage supplies negligible amounts of the nutrients required for growth, maintenance and reproduction. Essential macronutrients for laboratory and pet rats consist of protein, fat and carbohydrate in defined proportions.. Date latest changes:
Nose Bleeding in a Pet Rat: Causes and Help
When a rat shows fluid from the nostrils, the first step is to determine whether the substance is true blood or porphyrin, the reddish secretion produced by the Harderian gland. Blood contains hemoglobin and clotting factors, appears bright red when oxygenated, and may pool or drip in a continuous stream.. Date latest changes:
Effective Ways to Eliminate Rat Odor in a Room
Rat droppings release ammonia and fecal bacteria that quickly become the dominant source of unpleasant odor in an infested space. Prompt identification and thorough removal are essential to restore air quality. Wear disposable gloves and a mask before handling any material.. Date latest changes:
How to Remove Rats from a Plot Without Poison: An Effective Method
Rats leave droppings and urine throughout a plot, providing clear evidence of infestation and creating health risks. Fresh droppings appear as dark pellets, 0.5–1 cm long, often found near food sources, burrow entrances, and along walls. Urine stains are yellowish, may dry to a faint crust, and emit a strong ammonia odor.. Date latest changes:
All Mouse Catches: How Rodents Capture and Use Food
Rodent foraging on seeds involves direct consumption and indirect transport, both of which shape plant regeneration. Mice locate seeds using olfactory cues, assess size and nutritional content, and decide between immediate eating or temporary storage.. Date latest changes:
Decorative Mouse Breeds: Beautiful Varieties for Enthusiasts
Beyond typical retail outlets, decorative mouse strains emerge from specialty breeders, academic colonies, and regional rescue groups. These sources preserve lineage traits that commercial vendors seldom maintain, ensuring access to rare coat patterns, ear shapes, and behavioral temperaments.. Date latest changes:
Do Mice Eat Insects? Overview of Their Diet
Mice consume a wide variety of plant material, with grains and seeds forming a core component of their nutritional intake. These items supply carbohydrates, proteins, and essential fatty acids that support rapid growth, reproduction, and metabolic maintenance.. Date latest changes:
Do Mice Chew Roofing Felt: Myths and Reality
Roofing felt, commonly called underlayment, consists of two primary material families. The traditional variant blends wood‑based fibers with a saturated asphalt binder, creating a flexible sheet that resists water penetration. Modern alternatives replace the organic matrix with woven or non‑woven synthetic fibers such as polypropylene, polyester, or fiberglass, then coat the fabric with a polymeric or bituminous layer for durability.. Date latest changes:
How to safely eliminate mice in a private house
Rodent droppings and urine stains signal active infestation and pose health hazards. Identifying these residues early prevents disease transmission and guides effective remediation. Typical characteristics: Small, dark, cylindrical feces about ¼ inch long, often found along walls, behind appliances, and in pantry corners.. Date latest changes:
Do Mice Chew Basalt Insulation? Myths and Reality
Basalt insulation originates from natural volcanic rock that is melted at temperatures above 1,400 °C. The molten material is drawn through a spinneret to produce continuous fibers. These fibers are combined with a thermosetting resin, typically phenolic or polyester, which binds the strands into a rigid board or flexible blanket.. Date latest changes:
How Wild Mouse Pups Are Fed in Nature
Colostrum provides newborn wild mouse pups with antibodies that protect against bacterial and viral pathogens encountered shortly after birth. The high concentration of immunoglobulin G (IgG) and IgA transfers passive immunity from the dam, reducing mortality during the first critical days.. Date latest changes:
How to Get Rid of Night‑Scratching Mice
Mice that become active at night leave distinct evidence. Recognizing these indicators is essential before implementing control measures. Small droppings, 2‑3 mm long, dark‑brown or black, often found near food sources, along walls, or in hidden corners.. Date latest changes:
How to choose the best ultrasonic mouse and rat repeller for the home
Ultrasonic repellents emit sound waves beyond the range of human hearing, typically between 20 kHz and 65 kHz. Rodents perceive these frequencies as irritating, prompting avoidance of the treated area. The devices operate on three core principles:. Date latest changes:
How to Get Rid of Mice in the House: The Most Effective Method
Mice droppings are a reliable indicator of infestation and a primary health hazard. Fresh droppings are dark, pointed at one end, and about the size of a grain of rice; older specimens become dry, crumbly, and lighter in color. Their presence confirms active foraging and indicates where rodents travel, feed, or nest.. Date latest changes:
Many rodent control products carry labels suggesting they will not harm companion animals. The claim rests on the premise that the poison will affect only rodents that ingest the bait directly. In practice, safety is conditional, not absolute.. Date latest changes:
Field Rat: Photos and Characteristics
The term «Field Rat» designates a small, ground‑dwelling rodent belonging to the family Muridae. It is frequently identified by the scientific name Rattus norvegicus or closely related species that inhabit open fields, agricultural lands, and peripheral zones of human settlements.. Date latest changes:
Do Rats Sleep? Studies on Rodent Night Rest
Research on rodent nocturnal rest provides a window into the broader evolutionary trajectory of sleep among mammals. Early mammals exhibited polyphasic sleep patterns, dividing rest into multiple short bouts throughout the 24‑hour cycle. Fossil evidence of brain size increase and the emergence of the neocortex correlates with longer consolidated sleep phases, suggesting that enhanced cortical processing demanded extended periods of unconsciousness for synaptic homeostasis.. Date latest changes:
Diet of a Domestic Rat: What to Feed for Health and Growth
Domestic rats need a diet that supplies sufficient protein to support tissue repair, immune function, and rapid growth. For adult maintenance, the protein portion should represent 14–20 % of total calories; for juveniles and breeding females, 20–24 % is advisable.. Date latest changes:
Proteins are essential nutrients for rats, supporting tissue growth, enzymatic activity, and immune function. A balanced diet must supply all nine essential amino acids, which rats cannot synthesize themselves. Shrimp offers a high-quality protein source.. Date latest changes:
Rat Swims in Water: Observations
Rats exhibit a distinct set of behaviors when placed in aquatic settings. Their innate swimming ability allows rapid surface propulsion, while their body posture adjusts to maintain buoyancy. Limb coordination transitions from terrestrial gait to symmetrical paddle strokes, producing forward thrust with each forelimb sweep.. Date latest changes:
How to Draw a Rat Easily: Simple Steps
Pencils provide the line work needed for a clear rat sketch. A hard‑lead (HB‑2H) pencil creates precise outlines without smudging, while a softer lead (2B‑4B) adds depth to fur, ears, and tail. Switching between grades allows control over line weight and texture.. Date latest changes:
Why Rats Eat Soap: Strange Feeding Behavior
Rats exemplify the flexibility of omnivorous diets, readily incorporating organic and inorganic matter when conventional food sources are scarce or when sensory cues suggest nutritional value. Their dentition, digestive enzymes, and metabolic pathways accommodate proteins, carbohydrates, fats, and a range of secondary compounds, enabling rapid adaptation to variable environments.. Date latest changes:
How to Boost a Rat's Immunity? Veterinary Tips
Stress reduces a rat’s ability to resist infection by altering hormone levels, suppressing white‑blood‑cell activity, and disrupting gut microbiota. Elevated cortisol interferes with cytokine production, leading to slower pathogen clearance.. Date latest changes:
Can Rats Eat Cauliflower? Dietary Advice
Cauliflower (Brassica oleracea var. botrytis) belongs to the Brassicaceae family, which also includes broccoli, cabbage, and kale. The plant develops a compact head composed of tightly packed, white inflorescence meristems that are harvested before the flowers open.. Date latest changes:
Can Rats Be Given Yellow Watermelon?
Rats require a balanced diet that supplies protein, fats, carbohydrates, vitamins, minerals, and water in specific ratios. Protein sources such as soy, wheat germ, and animal-derived meals deliver essential amino acids for growth and tissue repair.. Date latest changes:
Can Rats Be Fed Plum: Recommendations
Rats require a balanced diet that supplies protein, fats, carbohydrates, vitamins, and minerals in proportions that support growth, reproduction, and immune function. Protein sources such as soy, wheat germ, and lean meats provide essential amino acids for tissue repair and enzyme production.. Date latest changes:
How to Properly Wash a Rat’s Tail
Rats develop dirty or oily tails when natural secretions, environmental contaminants, or health issues accumulate on the skin. Sebaceous gland activity : Excess oil from the tail’s glands creates a greasy coating that attracts dust and debris.. Date latest changes:
How do rats show affection to owners? Signs of attachment
Rats form social bonds with humans and display behaviors that indicate affection. Research shows that rats recognize individual caretakers, prefer their scent, and seek proximity when the caretaker is present. These responses are measurable through increased grooming, vocalizations, and reduced stress hormones.. Date latest changes: