What is the cause of thrombocytopaenic purpura?
Thrombocytopaenic purpura is a type II hypersensitivity (or cytotoxic-type hypersensitivity) in which autoantibodies have been formed against thrombocytes.These autoantibodies may arise from the use of vaccines that contain blood products or in multiparous sows that develop antibody against the alloantigens shared by the sire and the foetus.
Questions
14-Dec-2017 What % of self-supply is expected in the Russian pork industry by the end of 2017? 37% correct
07-Dec-2017 When was the last review of the pork grade standards made in the USA? 31% correct
30-Nov-2017 Which of these answers in reference to fasting prior to slaughter is false? 33% correct
23-Nov-2017 How do the metabolizable energy (ME) and standard ileal digestible (SID) lysine requirements increase, comparing day 104 of gestation to the lactation peak of the sow? 38% correct
Random questions
26-Jun-2024 What can be done to help protect vaccines in large refrigerators in case of malfunction? 76% correct
12-Feb-2020 According to official statistics, how much did pork production in China decline in 2019? 36% correct
28-Dec-2022 How much of a pig's water needs comes from drinking water? 51% correct
16-Nov-2022 Are all essential oils also functional oils? 32% correct
Easy questions
23-Dec-2020 What relationship exists between the sows' acceptance of contact by the farmer and the farm performance? 93% correct
24-Sep-2025 What do heat shock proteins do? 73% correct
21-Jul-2021 What is included in our new "Raw materials statistics" section? 72% correct
09-Dec-2020 Is there any advantage for newly weaned piglets to have more trough space? 75% correct
Difficult questions
07-Oct-2015 Is PED a notifiable disease in Europe? 24% correct
19-Dec-2012 The PCV2 is known since 26% correct
04-Jul-2019 In the USA, the PRRS virus causes direct annual losses of: 29% correct
16-Sep-2020 At what point are the lactose and fat found in colostrum produced? 24% correct