How many babies do bamboo rats have in a year?

Bamboo rat is a rodent of bamboo rat family, which has high economic value and medicinal value. The development of bamboo rat breeding has the characteristics of wide adaptability, grain saving, strong reproduction, fast growth, easy maintenance and management, rich profits, etc. It can not only be vigorously developed in rural areas, but also suitable for urban household breeding and factory scale breeding. Let's take a look at how many births bamboo rat has in a year!

How many births does the bamboo rat have per year?

Bamboo rats usually have 3~5 fetuses, 2~4 fetuses a year, and different breeds of bamboo rats have different fetuses. Generally raised bamboo rats can reproduce after 6 months of age, and generally reproduce more than 10 per year. The gestation period is 45 days, each fetus is 1~5, and the lactation period is 1 and a half months. Bamboo rats reach sexual maturity at 8~10 months, pregnancy is about 45 days, lactation period is 30~40 days, 1~5 babies per litter, three fetuses per year. Chinese bamboo rats reach sexual maturity at 7~8 months. Female bamboo rats are generally pregnant for about 2 months, lactation period is more than 40 days, 2~6 per litter, 3~4 fetuses per year. Bamboo rat is a rare species, the number is not many, 8~10 months to sexual maturity, pregnancy 45~50 days, 3~8 per fetus. Bamboo rats are pregnant for 60 days, lactation for 30-50 days, 1 - 5 per fetus, and the number is not large.

Reproductive Habits of Bamboo Rat

Bamboo rats are in estrus all year round. Breeding rats are in estrus for 1~3 days each time, 1~2 times a day, and 1~6 cubs are produced per litter. Female rats give birth about 60 days after mating and gestation. 6~7 days before parturition, nipples are exposed, activity is reduced and movement is slow. The baby mouse was born together with placenta and placenta when it was born. The mother ate the placenta and placenta as she gave birth, biting off the umbilical cord and cleansing the amniotic fluid from her pups. The delivery time is 2~4 hours, and the fastest delivery time is 1~2 hours. At this time, the pups can be heard "squeaking-squeaking-squeaking". Avoid watching and touching when giving birth and keep the environment quiet. Twelve hours after giving birth, mothers began nursing their pups. Newborn mice weigh only about 10 grams and are hairless. Bamboo rats grow faster and weigh about 2 kg at 6 months of age.

Cultured species of bamboo rats

1. Chinese bamboo rat: Chinese bamboo rat is distributed in central and southern China, northern Myanmar and Vietnam. It is the most widely distributed among bamboo rat species in China, so it is called "common bamboo rat". Adult individual body length is 30~40 cm, weight is 1.5~3 kg, body color increases from dark to light when it is young, dark gray on the back of adult individual, brownish yellow on the back of old age.

2. Silver star bamboo rat: Silver star bamboo rat is distributed in southeast China, India, Malay Peninsula and other places. It lives underground. It feeds on reed roots, cogongrass rhizome, bamboo roots, bamboo leaves. It is smaller than Chinese bamboo rat. It is 35 cm long and weighs 1.3~2 kg. Its hair is rough, so it is called "coarse bamboo rat". Its back is brown-gray. Its back hair has many white needle hairs and flashes."Silver star bamboo rat" is named after it.

3. White-haired bamboo rat: White-haired bamboo rat: White-haired bamboo rat is mainly distributed in northern Guangxi and western Yunnan. Its body shape is similar to that of Chinese rat. Its weight is about 2 kg. At present, there are pure white and gray-white alternate, which is caused by genetic variation of Chinese bamboo rat. It is extremely rare.

4. Great bamboo rat: The distribution area of great bamboo rat is narrow, the number is not large, and the rare species is mainly found in Xishuangbanna area of Yunnan Province, Malay Peninsula, Sumatra and other areas in China. Big fat, is the largest individual bamboo rat, adult body length of about 40 cm, weight 2~4 kg, hair sparse and rough, cheeks are light rust brown or brown red, so there is "red cheek bamboo rat" said, body back and body side is light gray brown, morning and dusk out activities, to bamboo roots, bamboo shoots for food, but also eat other plants.

5. Small bamboo rat: Small bamboo rat has a narrow distribution area and a small number. It belongs to a rare species. It is distributed in tropical rain forest with an altitude of about 600 meters along the border between China and Myanmar and bamboo bushes on the edge. It mostly digs holes in the environment such as banana and cassava. It is the smallest species in the family Bamboo Rat. Its body shape is similar to that of Chinese bamboo rat, and its weight is only 0.2~0.3 kg. Its whole body hair is brown.