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Reproductive characteristics of farmed mink
The main results are as follows: 1. Male and female minks who are sexually mature at the age of 9 ~ 10 months, their testicles and ovaries grow and decline with time and light. After the Spring Equinox, the light increased and the testis gradually atrophied; after the Autumn Equinox, the light shortened and the testis developed, and the weight of the testis reached 22.5 grams in February of the following year.
2020-11-08 Breeding mink reproduction characteristics month age sexual maturity -
Male dog infertility
Male dog infertility means that male dogs cannot be fertilized or their sperm cannot fertilize eggs: there are many kinds of infertility, including primary infertility, low energy and acquired infertility. In primary infertility, the most common is testicular hypoplasia, small size, hard or soft texture. Most sick dogs have normal libido, but have no sperm. In two sick animals with segmental epididymal dysplasia, the ejaculatory reflex is normal, but the ejaculated semen has no sperm. Low energy usually refers to a decrease in sperm count, a normal sperm count but extremely poor motility, or an abnormal sperm count, etc.
2019-01-16 -
Key points of boar castration
Key points of boar castration
2018-06-30 -
Breeding characteristics of raccoon dog in Ursuli
1. Sexual maturity: the young raccoon dog is sexually mature at the age of 8-10 months after birth, and the male raccoon dog is slightly earlier than the female. 2. Sexual cycle: raccoon dog is an animal in estrus once a year. The testis of male raccoon dog begins to develop from the Autumn Equinox, and the texture of testis is soft at the end of January and the beginning of February. There are mature sperm in the epididymis, which begin to show sexual desire and can mate. The whole mating period can last 60-90 days. The testis atrophied quickly after the end of the mating period, and returned to the quiescent state in May, until the Autumn Equinox developed again, showing annual periodic changes. The sexual organ development of female raccoon dog is similar to that of male raccoon dog.
2019-01-16 -
Castration of pigs
Surgical castration of vegetable pigs is a traditional method in our country, but the corresponding castration methods should be adopted according to different conditions in order to achieve ideal results. Based on years of clinical experience, the author introduces several common castration methods for reference. The castration method of boar lies on its back in Baoding, and the operation department is routinely disinfected. The operation chose to cut the skin backward along the midline from the last pair of nipples 2cm, and the size of the incision depended on the size of the testis. Bluntly peel off the subcutaneous tissue to expose one side of the total sheath and press the testis close to the incision with your fingers.
2019-01-16 -
How do scallops reproduce?
How do scallops reproduce? Scallop is actually a male and female community. Its growth and development is very fast, it begins to cultivate seedlings in spring every year, and the gonads of scallop can mature in autumn, which can be used as parent scallop to collect eggs and cultivate seedlings. The gonad of the scallop is in the abdomen, and the testis is located in the
2020-11-11 Scallop how really male and female -
Castration techniques of pigs
Pig castration is one of a variety of livestock, poultry and pet castration techniques, it occupies an important position in veterinary surgery, is an indispensable technology for pig production, this paper briefly describes the pig castration technology. The principle and purpose of pig castration the ancients called testes "potential", so the removal of testicles from male animals is also called castration, which has been used today. Of course, the castration of livestock and poultry includes not only male livestock and poultry, but also female livestock and poultry. Castration of livestock and poultry is the removal of the gonads, that is, removal of testicles or ovaries, castration
2019-01-16 -
How to castrate the sheep
Male lambs that are not used for breeding should be castrated 2-3 weeks after birth. There are generally four ways to castrate the sheep: 1. During the surgical resection, the male lamb is half-turned and half-squatted on the wooden stool, the left hand is used to squeeze the sheep's testicles to the bottom of its scrotum, and the right hand holds a sterilized scalpel to do everything at the bottom of the sheep's scrotum. The length of the incision is to squeeze out the testicles on both sides gently and tear off the spermatic cord. You can also make an incision under the side of the scrotum of the sheep, squeeze out one side of the testes, cut open the mediastinum of the scrotum from the inside, and then squeeze.
2019-01-16 -
How do earthworms reproduce?
The reproduction mode of earthworms: hermaphroditism, heterogamy, reproduction by banding to produce egg cocoons, reproduction of the next generation. Earthworms are androgynous, and the male reproductive organs are in the 10th. At the back of verse 11, there are two pairs of seminal vesicles, each with a testis and a seminal funnel.
2020-11-11 Earthworms how reproduction offspring earthworms way male and female -
How long will it take for masked palm civet to be sexually mature?
How long will it take for masked palm civet to be sexually mature?
2018-07-07 -
A Method for Determining Unilateral Cryptorchidism in Pigs
A Method for Determining Unilateral Cryptorchidism in Pigs
2018-06-28 -
High temperature causes heat stress and affects the physique of pigs.
The high temperature environment from June to September every year disrupts the secretion of sex hormones in pigs, disrupts the normal mechanism of oestrus, and makes the symptoms of estrus not obvious or non-estrous; high temperature makes pigs focus their energy on resisting high temperature stress, and accordingly weakens the functions of other aspects. this will lead to lack of milk and slow growth due to lack of nutrition for lactating sows and fat pigs that need to eat a lot. High temperature will make it difficult for boar testis to dissipate heat, intensify sperm metabolism and shorten life span, thus reducing sperm motility and even death; high temperature will also make newly fertilized sperm fertilized.
2019-01-16 -
Effective implementation methods of chemical castrated pigs
The little boar, which is used for fattening, grows to a certain weight and castrates its testicles. A chemical castration method is introduced below. This method is very simple. When a boar less than 10 days old is injected with a mixture of sodium chloride and formaldehyde solution, its testicles will begin to swell, and the swelling will decrease after 5 days. After about half a month, the testis will atrophy significantly and lose its sexual function. The specific method is: dissolve 10 grams of sodium chloride in 100 milliliters of distilled water, add 1 milliliter of formaldehyde solution, shake well and then filter to form a chemical castration solution, which can be put into a sterilized bottle. Injection
2019-01-16 -
Parent fish cultivation
1. Parent fish cultivation (1) the age of sexual maturity is 2-3 years old, and the weight of sexual maturity is more than 0.5 kg. The spawning and breeding period is from May to June. (2) there are a large number of "chasing stars" in the head, pectoral fin and caudal stalk of male and female mature males, and there is a rough feeling in the hands; when the abdomen is narrow and sexually mature, milky semen is released from the testis of the abdomen gently pressed; and the first fin of the pectoral fin is thick and wavy. The female fish has no "star chase" or only a small amount of star chase in the eyes and back, which is obvious in the abdomen.
2019-01-16 -
Castration method of male Xiang Pig raising Xiang Pig
Xiang Pig castration is not reserved for breeding male and female Xiang Pig, in order to make its temperament docile, easy to breed and improve the quality of meat, generally at 2. 5%. Castration (castration) can be performed during 5-3 months. Castration method of ① male Xiang pig. Male fragrant pigs should generally be castrated early.
2020-11-08 Breeding Xiang Pig of Gong Xiang Pig castration method -
How old are loach eggs? How many eggs can you lay at once?
Loach is called ginseng in water, which has high breeding value. Natural reproduction refers to imitating natural environmental conditions under artificial control and allowing loach to lay eggs and hatch by itself. How old is it to lay eggs? How many eggs can you lay at once? next, let's
2020-11-11 loach how big spawn once can how many called -
What is the most poisonous part of puffer fish? What if I get poisoned?
Puffer fish is also called puffer fish, which is a kind of highly poisonous fish containing tetrodotoxin, which is located in the internal organs of the fish. for the safety of life, it is recommended to remove the toxic parts before eating. So, what is the most poisonous part of puffer fish? Poisoning
2020-11-11 Puffer fish the most poisonous part is where poisoned how to do -
Matters needing attention in boar breeding
1. Irregularly check boar semen quality. The low pregnancy rate in many pig farms is related to boar semen quality. Boar semen quality is not immutable, stress, disease, high temperature, lack of nutrition, use too frequently or too little will affect its sperm motility. So it should be
2020-11-08 Boar breeding precautions irregular inspection boar -
How to raise kennel
Dogfish, also known as forked-nose cuttlefish, have a wide variety of species, such as black spotted cuttlefish, star-spotted cuttlefish, map forked-nose cuttlefish, zebra-forked-nose cuttlefish, white-spotted forked-nose cuttlefish, Philippine forked-nose cuttlefish and so on. It is a warm water fish. So, how to raise kennel? First, how does the kennel fish
2020-11-11 Dog head fish how raise dog head also called forked nose fugu -
Do you often drink medlar soaked in water with these 12 major effects and effects? How many capsules is best? How many capsules do you eat every day?
Now more and more people begin to pay attention to health maintenance, in the office you can see that there are five people in the individual who drink wolfberry soaked water, so what are the effects and effects of drinking wolfberry soaked water? How many capsules is best? How many pills do you take each day?
2020-11-09 often drinking wolfberry fruit and soaking it in water has this great effect and effect once.