High temperature causes heat stress and affects the physique of pigs.
The high temperature environment from June to September every year makes the pig sex hormone secretion disorder, disturbs the normal oestrus mechanism, makes the oestrus symptom not obvious or not oestrus; the high temperature makes the pig mainly devote energy to resisting the high temperature stress, correspondingly weakens the function of other aspects, which will cause the phenomenon of less milk and slow growth due to insufficient nutrition for lactating sows and fat pigs that need to eat a lot; High temperature will make boar testis heat dissipation difficult, sperm metabolism intensified, life shortened, resulting in reduced sperm motility or even dead sperm; high temperature will also make just fertilized eggs increased death and increased difficulty of fertilized egg implantation, thus reducing the fertility rate of summer breeding.
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What nutrition should be paid attention to in raising piglets in spring and summer?
The gradual rise of temperature from March to June is a favorable period for the development of pig production. Four problems should be paid attention to in feeding. First, pay attention to the change of temperature. The temperature changes greatly in spring and summer, Rain Water is more, the temperature is larger. Pigs like dry environment, how much fat tissue, piglets are easy to be afraid of cold. Therefore, the temperature in the house and the dry environment of the house should be maintained. Second, pay attention to the increase of protein feed. Especially for piglets after long-distance transportation, due to the stimulation of wind chill and bumps of cars and boats, some piglets
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Kraft Chicken nuggets with bacteria recalled
Yesterday, world-renowned Kraft Foods announced a recall of all Carolina Kitchen Foods (Car-olinaCulinaryFoods) chicken fillets and nuggets after test results were found to be contaminated with Listeria monocytogenes. This pathogen may lead to septicemia, meningitis, mononucleosis and other diseases. The city's food safety department said it had not received any reports of the sale of Kraft chicken fillets and chicken nuggets in the city and would pay attention to the matter. It is understood that the proliferation of monocytes is Liszt.
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