安哥拉兔（Angora rabbit），俗称长毛兔，是世界毛用型家兔品种。其毛发是一种纺织原料，具有绝热性高、重量轻的特征，可用于粗纺和精纺，被誉为世上细的“华贵”纤维。安哥拉兔产毛效率高，年产毛量可达1190~2000克，且饲料消耗少，具有较高的经济价值。安哥拉兔曾被认为起源于土耳其的安哥拉省，因此被命名为安哥拉兔。后经调查考证，起源地实为英国。安哥拉兔传入不同后，经过长期选择与培育形成了不同的种群，包括英系、法系、德系、日系和中系等品系。形态特征安哥拉兔全身绒毛厚实且浓密，被毛有毛丛结构，不易缠结，有波浪式弯曲。面部有些无长毛，也有些额毛、颊毛丰盛，但大部分耳背无长毛，仅有耳尖的一撮长毛。四肢、腹部都有茂密的绒毛，体毛细长且柔软，排列整齐。四肢强健，背部平直，头型略尖，耳朵呈V状，眼睛大而圆。安哥拉兔体型较大，成年体重可达3.5~5.7kg。体长约45cm，胸围30~35cm。

　　Angora rabbit, commonly known as long haired rabbit, is a world-renowned breed of domestic rabbit used for fur. Its hair is a high-grade textile material with high insulation and lightweight characteristics, which can be used for coarse and fine spinning, and is known as the finest "luxurious" fiber in the world. Angora rabbits have high wool production efficiency, with an annual wool production of 1190-2000 grams and low feed consumption, making them of high economic value. Angora rabbit was once thought to originate from Türkiye's Angora Province, so it was named Angora rabbit. After investigation and verification, it was found that the origin was actually in England. After being introduced to different countries, Angora rabbits have undergone long-term selection and cultivation to form different populations, including English, French, German, Japanese, and Chinese strains. Morphological features: The Angora rabbit has thick and dense fur throughout its body, with a tuft structure that is not easily tangled and has wavy curves. Some parts of the face have no long hair, while others have abundant hair on the forehead and cheeks. However, most of the earlobes have no long hair, only a tuft of long hair at the tips of the ears. The limbs and abdomen have dense fur, and the body hair is slender and soft, arranged neatly. Strong limbs, straight back, slightly pointed head, V-shaped ears, large and round eyes. Angora rabbits have a large body size, with an adult weight of up to 3.5-5.7kg. They are approximately 45cm in length and have a chest circumference of 30-35cm.

　　生活环境安哥拉兔受到超过临界温度的影响显著。仔兔的适环境温度为30℃~32℃，幼兔的适温度为20℃~25℃，成年兔的适温度范围较大，为15℃~25℃，临界温度为5℃和30℃。高温环境会严重影响安哥拉兔幼崽的生长、进食以及受胎能力，而且随着温度的增长，微生物变得更加活跃，导致安哥拉兔的得病率上升、抵抗力下降；低温环境则不利于安哥拉兔的心肺功能正常运转。生活习性安哥拉兔属于昼伏夜出性动物，白天多静伏笼中，属于半睡眠状态，采食量少；夜间十分活跃，频繁采食和饮水，进食占全天的70%左右，饮水占全天的60%左右。安哥拉兔神经敏感，胆小怕惊，如遇突然的刺激、异常的声音，就会精神不安，食欲减退，甚患病死亡。安哥拉兔是食草动物，喜欢吃青绿鲜嫩多汁的饲料，其次是粗磨的颗粒饲料，不喜欢吃粉料。结语:

　　The living environment of Angora rabbits is significantly affected by temperatures exceeding the critical threshold. The optimal environmental temperature for young rabbits is 30 ℃~32 ℃, the optimal temperature for young rabbits is 20 ℃~25 ℃, and the optimal temperature range for adult rabbits is relatively large, ranging from 15 ℃~25 ℃. The critical temperatures are 5 ℃ and 30 ℃. The high temperature environment can seriously affect the growth, feeding, and conception ability of Angora rabbit cubs, and as the temperature increases, microorganisms become more active, leading to an increase in disease incidence and a decrease in resistance in Angora rabbits; Low temperature environment is not conducive to the normal functioning of the heart and lungs of Angora rabbits. The Angora rabbit belongs to the category of diurnal nocturnal animals, and is often kept in a quiet cage during the day. It belongs to a semi sleeping state and has a low food intake; Very active at night, frequently eating and drinking, with eating accounting for about 70% of the day and drinking accounting for about 60% of the day. Angora rabbits have sensitive nerves and are timid and afraid of being startled. If they encounter sudden stimuli or abnormal sounds, they will feel anxious, lose appetite, and even die from illness. Angora rabbits are herbivores who prefer green, tender, and juicy feed, followed by coarse ground pellet feed, and do not like to eat powdered feed. Conclusion:

　　在这一期的生物小课堂中，我们为大家带来了可爱的安哥拉兔。通过我们的详细介绍，相信大家对这种可爱的生物已经有了初步的了解和认识。接下来，我们期待与您一起踏上这段奇妙的生命探索之旅，共同感受大自然的生机与活力，领略那色彩斑斓的自然之美。而在未来的文支行中，我们将继续为您揭示自然界中更多神秘而有趣的生物，让您深刻感受到生命的无限魅力和这个世界的精彩纷呈。让我们一同期待，共同探索生命的奥秘与魅力吧！

　　In this biology class, we brought you a cute Angora rabbit. Through our detailed introduction, we believe that everyone has gained a preliminary understanding and recognition of this adorable creature. Next, we look forward to embarking on this wonderful journey of life exploration with you, experiencing the vitality and energy of nature together, and appreciating the colorful beauty of nature. In future cultural branches, we will continue to reveal more mysterious and interesting creatures in nature, allowing you to deeply experience the infinite charm of life and the wonderful diversity of this world. Let's look forward together and explore the mysteries and charm of life together!

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