Kucing: Perbedaan antara revisi

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Gen yang mengatur warna dan pola pada bulu kucing menentukan penampilan fisik dari kucing yang membedakan mereka ke dalam:

 

 

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Humans still keep cats for companionship as [[pet]]s and to hunt [[mouse|mice]] and [[rat|rats]]. Farms often have dozens of cats living semi-wild in the barns. Hunting in the barns and the fields, they kill and eat rodents that would otherwise eat large parts of the grain crop. Many pet cats successfully hunt and kill [[mice]], [[rabbit]]s, [[bird]]s, [[lizard]]s, [[frog]]s, [[fish]], and large [[insect]]s by [[instinct]], but might not eat their prey. They may even present such victims (dead or maimed) to a beloved owner, often expecting reward.

 

[[Feral cat]]s may live alone, but most are found in large groups called [[feral cat colony|feral colonies]] with communal nurseries, depending on resource availability. Many lost or abandoned [[pet]] cats join these colonies out of desperation. The average lifespan of these feral cats is much shorter than a domestic housecat, who will live an average of sixteen years or more. Urban areas are not native environments to the cat; most domestic cats evolved from cats in desert climates and were distributed throughout the world by humans, but some feral cat colonies are found in large cities, [[e.g.]] around the [[Colosseum]] and [[Forum Romanum]] in [[Rome]]. Although cats are fairly adaptable, feral felines are unable to thrive in extreme cold and heat, and with a protein requirement of about 90%, few ferals in cities find adequate nutrition on their own. In addition, they have little defense or understanding of such predators as dogs, [[coyote]]s, and even [[automobile]]s. However, there are thousands of volunteers and organizations that trap these unadoptable feral felines, [[spay]] or [[neuter]] them, [[immunization|immunize]] the cats against [[rabies]] and feline [[leukemia]], and treat them with long-lasting [[flea]] products. Before release back into their feral colonies, the attending veterinarian nips the tip off one ear to mark the feral as spayed/neutered and inoculated, as these cats will more than likely find themselves trapped again. Volunteers continue to feed and give care to these cats throughout their lives, and not only is their lifespan greatly increased, but behavior and nuisance problems, due to competition for food, are also greatly reduced. In time, if an entire colony is successfully spayed and [[neuter]]ed, no additional kittens are born and the feral colony disappears. Many hope to see an end to the harsh and unnatural world of urban feral cat colonies through these efforts.

 

Some [[environmentalist]]s claim that the domestication of cats is harmful to the environment, and that excessive cat populations result in the overhunting of many small animals and birds in both urban and rural areas, possibly disrupting the food chain and limiting local species' populations. Throughout the centuries, as humans took advantage of the domestic cat's hunting skills, few had regard for their habitat and care, and far fewer thought to practice good [[animal husbandry]]. This created many pockets of excessive populations and local imbalances; however, with intervention and management, most especially spay and neuter programs, the disruptions and chaos in both the feline's life cycle as well as its prey can easily be avoided, and the positive effects these small and vital predators have in the appropriate environments can be observed and appreciated.-->