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Feed Amount Control Methods for Breeding Ducks at Different Laying Stages
Early laying stage. The increase of feed amount in the early laying stage should follow the principle of gradual progress. Generally, the female duck flock begins to lay eggs at 21-22 weeks of age. After laying begins, the feed supply should be increased by 5-10 grams per duck per week according to the body weight of male and female ducks, so as to prompt the flock to reach a 5%
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Methods and Techniques for Raising Earthworms Under Forest Canopy
The air under tree shade is better, suitable for earthworm survival and reproduction, and each mu of forest land can produce about 1 ton of fresh earthworms per year. The relevant methods are introduced as follows: 1. Every two rows of trees, lay one earthworm bed between the rows. The length of the worm bed depends on the length of the tree row, and the width should preferably be about 40 cm from the trees.
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How to Select Breeding Stock for Alpaca Farming? A Full Analysis of Methods and Techniques
Alpacas are single-offspring animals with a long gestation period (342-345 days), and the miscarriage rate in the first month is relatively high, so the reproductive rate of alpacas is low. Therefore, increasing the reproductive rate of alpacas is the main problem facing the development of the alpaca farming industry. Female alpacas generally begin breeding at 12 months of age
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How to prevent and control coccidiosis in nutria? Farmers need to master the methods
Pathogen 1 The pathogen of coccidiosis (C. ccidiosis) is the coccidium of the class Sporozoa, a parasitic single-celled protozoan. Coccidia parasitize the epithelial cells of the small intestinal mucosa, and through asexual reproduction (schizogony) for many generations, they produce many new individuals. After several schizogonic
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Analysis of Selection and Management Methods for Breeding Wild Boars
Estrus and Mating in Wild Boars The wild boar has coarse and sparse hair, generally gray or grayish-yellow. Adult sows weigh 90 kg to 130 kg and are highly responsive to the external environment. Female wild boars generally have 6 to 7 pairs of teats, produce 2.5 litters per year, and generally have 10 to 15 piglets per litter. Suitable mating time
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What are the methods to improve the reproductive rate of porcupines
1. Multiple-mating reproduction method: During the peak estrus period of the female porcupine, after it has mated with the male porcupine in the same breeding pen for 6 hours, place this female porcupine into a spare male porcupine breeding pen to allow it to receive a second mating. After that, raise the pregnant female porcupine separately until it gives birth.
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Technical Points and Methods for Cage Culture of Catfish Explained
Cage culture of catfish, adult fish yield of 17.5 kg per sq m, economic benefit is 5-10 times that of grass carp and common carp. The main techniques are as follows: 1. Setting up cages, graded rearing Select streams, rivers, lakes, reservoirs and other wide waters with clean water quality, high dissolved oxygen, and suitable pH to set up
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Key technical points for overwintering storage of river crabs: these methods you need to master
River crabs are generally caught and brought to market in a concentrated period from early October to the end of November each year, so the volume is large and the price is low, and farming profits are not high. Overwintering storage of river crabs helps stagger the peak marketing season, raise the market price of river crabs, and thereby achieve the best economic benefits. 1. The pond should
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How to prevent and treat red skin disease in loach? Prevention and treatment methods farmers must know
Cao Jiafeng from Liangxu Town, Jiangyan City, called to report that the loach he was farming recently showed symptoms of reddening of the pectoral fins and then reddening of the whole body. The diseased loach floated on the water surface and soon died, with about 250 grams dying each day. He asked what disease the loach had contracted and how to prevent and treat it. From Cao
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What are the breeding methods for rapid fattening of Boer goats?
Goats raised in rural areas weigh no more than 15 kg at 12 months of age, and native sheep weigh around 25 kg at 12 months of age. The reasons for slow growth: first, inbreeding leads to physical degeneration; second, deworming is neglected, consuming a large amount of nutrients; third, no scientific feed formulation is used.
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