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What are the comprehensive prevention and control measures for pig pica?
Pica in pigs is one of the problems commonly encountered in pig production, and the disease occurs frequently, especially in winter and spring when light duration is insufficient and temperatures are low. Improper feeding management, an unsuitable environment, unbalanced feed nutrient supply, disease, and metabolic disorders are the triggers of this disease. Because of long-term pica, pigs often suffer stunted growth, emaciation, and loss of appetite, causing unnecessary economic losses for pig farmers. 1. Clinical symptoms Pigs suffering from pica show tail biting, ear biting, rib biting, and navel sucking, and are especially fond of eating chicken manure and drinking urine
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Comprehensive Prevention and Control Methods and Technical Key Points for Porcine Respiratory Disease Syndrome
This disease is characterized by occurring throughout the year, in an endemic pattern, affecting pigs of all ages, mostly at 13-20 weeks of age, with a course of 2-8 days and a relatively high mortality rate. Symptoms: affected pigs show elevated body temperature of 40.5°C-42°C, depression, reduced or absent appetite, difficulty breathing, sometimes coughing, pale visible mucous membranes, pale or purplish skin, constipation or diarrhea, abortion and stillbirth in pregnant sows, and neurological symptoms in suckling piglets with high mortality. Pathological necropsy: necropsy of 6 dead pigs and 2 severely ill
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What are the characteristics of tulips? A comprehensive analysis of their growth features
Tulips are also known as grass musk and foreign lotus. Their characteristics are: 1. They prefer warm, moist, sunny or semi-shaded environments. They have strong cold resistance, and in winter, with proper protection, the bulbs can overwinter in the open field. They dislike the intense summer heat, so from June to September the aboveground parts gradually wither and enter dormancy. The optimal growth temperature for tulips is 15-18°C, the rooting temperature needs to be above 5°C, and the suitable temperature for flower bud differentiation is 17-23°C; above 35°C it will be inhibited. About one month after the mother bulb blooms, it gradually withers, while new
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What are the uses of snakes? A comprehensive guide
Snake meat is rich in protein, fat, carbohydrates, calcium, phosphorus, iron, various vitamins, amino acids, etc., and is a premium pure natural green wild game food that combines nourishment, nutrition and health benefits. Snake skin can be processed into many kinds of musical instruments; it is also a superior first-choice leather commonly used in the leather industry; at the same time it can be made into belts, bags, shoes, wrist straps, industrial specimens and various other daily necessities and handicrafts. Snake tissue has strong physiological activity, and when applied properly in clinical practice, its therapeutic effects are very significant. In pain relief,
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What is the Potato Leap Forward? A comprehensive guide in one article
Variety origin: In 1958, the Baishang Agricultural Science Research Institute of Zhangjiakou Prefecture, Hebei Province, crossed "Epoka" as the female parent with "Xiaoyezi" (Beijing Xiaohuang) as the male parent; in 1966 it was bred, named and began to be promoted, and was recognized as a national-level variety by the National Crop Variety Approval Committee. Main traits: upright plant type, relatively many branches, plant height about 70cm, green stems, strong growth vigor: dark green leaves, large compound leaves, 3 to 4 pairs of lateral leaflets; inflorescence peduncle green, slightly tinged with purple, flower stalk
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Comprehensive Utilization Techniques for Fish Fingerling Ponds During the Winter Fallow Period
Using Winter-Fallow Fingerling Ponds to Raise Marketable Fish Raising a crop of marketable fish in winter-fallow fingerling ponds can both increase production and help regulate the "summer shortage" in the aquatic product market. Because the rearing period is relatively short and temperatures are low, the following techniques should be adopted: 1. Stock early, that is, stock immediately after the fingerlings are concentrated in ponds, so as to make full use of the growing period. Based on a maximum water depth of 2 m, the usual stocking rate is 125-150 kg per mu. The usual stocking ratio is about 40% silver carp, about 10% bighead carp, about 30% grass carp and bream, and about 20% black carp and common carp. Stocked fish
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Symptoms and Comprehensive Prevention and Treatment of Endometritis in Sows
When sows are mated, artificially inseminated, giving birth, assisted during farrowing, or experiencing miscarriage, if hygiene is not observed or disinfection is not strict, bacteria can be introduced into the uterus, causing reproductive infections in sows. Among these, Escherichia coli, Corynebacterium, Streptococcus, Staphylococcus, Pseudomonas aeruginosa, and Proteus are the most common, leading to endometritis. During farrowing, surgical manipulation of the birth canal or partial retention of fetal membranes in the uterus can also cause endometritis. If the floor of the pen is not kept clean, or if the sow moves around in a exercise yard contaminated with sewage, bacteria can also enter through the vulva.
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A Comprehensive Guide to Scientific Control Methods for Soybean Aphids
Soybean aphids are commonly known as "ni chong" (greasy bugs) or "mi chong" (honey bugs). They mostly gather on the growing points, top leaves and backs of young tender leaves of soybean plants, piercing and sucking sap to cause damage. This results in leaf curling, plant stunting and reduced yield, and they can also transmit viral diseases, causing yield loss and quality decline. This pest begins to appear in soybean fields in mid-to-late June, and causes severe damage during hot, dry weather. Soybean aphids have a very strong reproductive capacity; a single female can produce 50-60 offspring, and under suitable conditions, young aphids can give birth after about 4-5 days, and can reproduce 15
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What are the characteristics of the Red Lotus Calyx Apricot? A comprehensive analysis of its varietal traits
What are the characteristics of the Red Lotus Calyx Apricot? The Red Lotus Calyx Apricot, also known as the Thin-Shell Apricot, is mainly produced in the Licheng and Changqing areas of Shandong, with a history of more than 200 years. It is an extra-early-maturing fresh-eating variety. This variety has a vigorous tree habit, an open tree form, rapid growth and strong adaptability. It bears fruit mainly on short fruit branches, with medium productivity. The fruit is medium to large, with an average single-fruit weight of 45 g and a maximum of 70 g. It is oval, with a flat and slightly sunken top and a prominent suture. The skin is orange-red, rarely with patchy purplish-red blush, and glossy. The skin is relatively thick, and the flesh is orange-red, with a fine
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Comprehensive prevention and control measures are needed for fish hepatobiliary syndrome
In recent years, with the continuous increase in the intensification of aquaculture, the incidence of fish hepatobiliary syndrome has been rising. Hepatobiliary syndrome can occur in various cultured fish, most notably in common carp and grass carp, and generally the incidence is high in adult fish. There are many causes of fish hepatobiliary syndrome, which can be summarized mainly in the following aspects. (1) Pathogenic microorganism infection. Infections by pathogenic microorganisms such as Aeromonas hydrophila, Edwardsiella, and rhabdovirus and reovirus can directly or indirectly cause hepatitis in fish. Pathogenic microorganisms
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