Prevention and treatment of vitamin deficiency in pigs in late winter and early spring
Pigs are prone to vitamin deficiency in late winter and early spring, mainly due to the lack of green fodder, and some households have simple feed, lack of sunlight and poor air circulation in pig houses, so pigs are prone to vitamin deficiency in spring. The prevention and control methods are introduced as follows:
Vitamin A deficiency.
Symptoms: dry skin, dull body hair, indigestion, loss of appetite, slow growth. Some have impaired vision and nervous disorders. Severe spasms, circles, unstable gait, motor disorders, and even hindquarters paralysis can occur. The occurrence of this disease in sows is easy to cause miscarriage or stillbirth, the piglets born blind, even if the appearance of the piglets is normal, the physique is also very weak, easy to die.
Prevention and treatment: you can use 20 grams of pine needles, tamping juice or fried juice, and feed them once a day for several days; you can also feed more carrots, silage and other feed rich in vitamin A.
Vitamin B deficiency.
Symptoms: growth retardation, vomiting, skin rash, hair removal, etc. When pantothenic acid deficiency, poor appetite, poor growth, dysentery, cough, hair loss, movement disorders, especially showing a "goose step"-like movement posture. When lack of nicotinic acid, loss of appetite, weight loss, severe dysentery, dermatitis, skin cracking, covered with black crusts, nervous disorders, anemia.
Prevention and treatment: in the daily feed mix, pay attention to the full supply of vitamin B-rich feed. If taking corn as feed for a long time can cause nicotinic acid deficiency, we should reduce corn and increase bran, silage, sprouting feed, succulent tuber feed and so on.
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Cattle feeding urea depends on forage grass
Feeding urea to cattle, urea can be digested by microorganisms in the rumen of cattle to synthesize bacterial protein, instead of part of the protein feed, so urea is a high-quality protein supplementary feed for cattle. But urea is not a protein after all, and its utilization efficiency is affected by many conditions. Generally speaking, feeding urea to cattle should be determined according to the situation of forage grass. Urea can be added in winter and spring when wheat straw, dry corn straw and hay are the main coarse feed, but not in summer and autumn when green feed is the main feed. The experiment shows that the content of crude protein in feed is less than 11%.
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Prevention and control of porcine erysipelas in summer
Porcine erysipelas is an infectious disease caused by erysipelas suis. This disease is easy to occur in summer. First, there are three types of clinical symptoms of porcine erysipelas, the specific symptoms are as follows: 1. Acute septicemia pigs suddenly developed and died without obvious symptoms. Sick pigs have a high fever of more than 40 degrees and do not eat. The feces of newly diseased pigs dry and form balls. Then I had diarrhea. The skin flushed, pressed to fade, died within three or four days of onset, and the mortality rate was more than 80%. 2. the disease of subacute pigs is mild, and the skin is of different size.
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