-
How to choose the right bait for fly maggot breeding
The bait for fly maggots is quite extensive, with the principle of wide bait sources and low prices, and local resources should be fully utilized. In addition to wheat bran, soybean flour, distillers' grains, soybean dregs, soy sauce residue, sunflower hulls, corn cob powder, chicken manure, pig manure, cow manure, and rotten fish are all good bait
-
How to Keep Koi? Fry Selection and Adult Fish Rearing and Management Methods
I. Fry Selection After hatching, the fry are reared for 20 to 30 days. When the fish body grows to about 3 cm, selection begins, culling the inferior and keeping the superior, strengthening the growth rate, so as to protect the traits. Selecting fry is the most important part of obtaining high-quality koi during the rearing process.
-
Key Points of Fry Selection Techniques in Koi Breeding
When koi fry have grown to a certain stage, they must be selected from the batch population. To do the selection work well, the area of the koi fry pond should preferably be about 2000 sq m (3.0 mu); because the selection work is done in midsummer, it should be carried out in the morning, and at the latest
-
Selection Pairing Methods and Technical Key Points for Autumn Mating of Tibetan Mastiffs
In order to promote the breeding, purification and quality improvement, it is not enough to only pay attention to the selection of Tibetan Mastiffs; attention must also be paid to and the mating of Tibetan Mastiffs must be strengthened. But it is not the natural mating of Tibetan Mastiffs in their place of origin, but rather people purposefully and meaningfully selecting male and female dogs with certain distinctive features in terms of trait expression, performance characteristics and even kinship for mating. Selection pairing can not only consolidate the trait inheritance of the sire and dam Tibetan Mastiffs in certain aspects, but can also create and cultivate excellent Tibetan Mastiff individuals. This mating method or mating form is called selection pairing of Tibetan Mastiffs. Selection pairing of Tibetan Mastiffs has the following types.
-
Key Technical Points for Feeding and Breeding Toads
1. Site Selection The breeding site should be chosen in a place with ponds and pools, abundant insect sources, and relatively warm temperatures. Generally, in front of and behind houses, waste ditches, waste ponds, or water pits can be used, or rice fields with convenient irrigation and drainage, sufficient water sources, good water retention but relatively lean soil can be selected as breeding sites.
-
How to raise Rex rabbits? Master these five breeding key points
Pay attention to improved breed selection: strictly select improved breeds according to the characteristics of Rex rabbit fur being short, flat, fine and dense. Color types should not be too many, and white and "eight-point black" should be the main ones, adhering to the principle of staged selection. When the body weight reaches more than two kilograms, attention should be paid to the selection of fur quality indicators
-
How to select breeding nutria? Sharing breeding experience
Generally, adult nutria from 6-7 months to 3 years of age are selected. Selection work should be carried out year-round, and it is best to conduct quality evaluation of the breeding stock from late November to mid-January. Selection is based on body size, body weight, body condition, fur quality, color, reproductive capacity, progeny quality, and other factors.
-
Techniques for Achieving High Reproductive Yields in Mink Farming
Selection and retention of breeding mink: Every November, select and retain breeding mink according to plan. Choose mink with good breed quality, large body size of over 2000 grams, and slightly better fur, at a male-to-female ratio of 1:3, and raise them separately. To ensure the quality of the offspring, carry out vaccination once every December. Pre-mating vaccination:
-
Detailed Explanation of Key Technical Points for Raising Mandarin Fish in Ponds
(1) Selection of breeding conditions: Choose a pond with abundant water source, convenient water filling and drainage, and excellent water quality, with a pond area generally of 2~3 mu and a water depth of 1.5~2 m. (2) Preparation before stocking: ① Disinfect the pond. ② After clearing the main breeding pond, apply decomposed base
-
How to select and manage superior breeding chickens? Master these four key points
1. Appropriate ratio selection and pairing. If you have a superior flock but do not carry out rational selection and pairing, and let them mate randomly and indiscriminately, then the offspring produced will not be good. Therefore, in a flock of the same breed, for every 8-10 hens, select 1 particularly outstanding rooster, and it should have unique
条件筛选