Technical measures to increase fertility in meat dogs

First, choose the fitting period
1? Strictly with the initial age: females with small body shape and general shape must be in the 1.5-year-old and 1.8-year-old respectively after the initial allocation, male dogs 1.5 to 2 years old can be breeding.
2? grasp the adaptation period: In general, from the first bite of the first blood from the bitch vaginal day 10 to 13 days for the best fitting period, can effectively improve the bitch fertility rate and litter size. However, it can also be advanced or delayed due to the individual dogs. Accurate judgment of the best fitting period of the female bitch can be based on the following external features: (1) The vulva continues to swell and soften, the mucus becomes lighter and the blood drops or stops; (2) Pressing the female dog's waist or touching it by hand In the tail, the bitch stands still, the tail is lifted to one side; (3) The bitch actively approaches the male dog, and when the male dog climbs, it actively lowers the waist, and the hips face the male dog, biasing the tail to one side, the vulva Frequent opening and closing allow mating.
Second, adhere to the principle of matching (1) selected to stay well-developed, lively, strong appetite, the appearance of an ideal breed for dogs, where the genitalia have foreskin stenosis, cryptorchidism, malformation and other defects of the dogs, can not be used for breeders (2) Choose males and females that share the same advantages to perform "mating" mating to avoid copulation of male and female dogs with the same disadvantages. (3) Select "giffly-breeding dogs with older dogs, older dogs and old dogs, and good age." The best breeding combination of dogs and veterinary dogs is to eliminate aging dogs and old-age dogs; (4) Inbreeding is forbidden to avoid degradation of varieties and to reduce inherited diseases such as congenital malformations.
Third, choose breeding methods
1? Single match: In the estrus period of a bitch, it only mates with a male dog once. Its advantage is that it reduces the burden of breeding dogs. If the breeding can be done at the right time, the ideal conception rate can also be obtained, but the conception rate is generally not too high. 2? Re-allocation: In the bitch during one estrus period, the same male dog was used twice, and the first time the breeding dog was replenished once after 24 to 48 hours. The majority of breeding dogs used this method for breeding.
3 Pairing: In one bitch's estrus period, two dogs are mated with the same bitch and the interval is 24 to 48 hours. Since the sperm and liquid phases of the two male dogs enter the female dog fallopian tube, the egg can be better fertilized by selecting the viable sperm, thereby greatly improving the puppies' vigor, and the breeding dogs can use this method more.
Fourth, the choice of breeding time dog breeding more in the early morning, evening and night. Mating sites should be quiet and spacious. Do not look around, and do not have other dogs or animals to interfere with. Normally, the bitch should be mated in the dog's dormitory. Male dogs only mate once a day, and should rest for 2 to 3 days after breeding, and strengthen feeding and management. A male dog must not be mated more than 40 times a year, and the time is as uniform as possible.

Antineoplastic

Antineoplastic,Antineoplastic Agents,Natural Antineoplastic,Methotrexate Antineoplastic

NOUVASANT PHARMhealth LTD. , http://www.nouvasant.com