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| |linkpage =Materno-fetal immunity - WikiBlood | | |linkpage =Materno-fetal immunity - WikiBlood |
| |linktext =MATERNO-FETAL IMMUNITY | | |linktext =MATERNO-FETAL IMMUNITY |
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| |pagetype =Blood | | |pagetype =Blood |
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− | | + | ===Passive Transfer and Failure of Passive Transfer (FPT)=== |
− | ==<font color="purple">Passive Transfer and Failure of Passive Transfer (FPT)</font>== | + | <FlashCard questions="10"> |
− | {| border="3" cellpadding="8"
| + | |q1=How can antibodies be transferred between individuals? |
− | !width="400"|'''Question'''
| + | |a1= |
− | !width="400"|'''Answer'''
| + | *Colostrum |
− | !width="150"|'''Article'''
| + | *Crossing of the placenta |
− | |-
| + | *Milk |
− | |<big>'''How can antibodies be transferred between individuals?'''
| + | *Vaccination |
− | ||<font color="white"> <big> | + | *Plasma transfusions |
− | *'''''Colostrum''''' | + | |l1=Materno-fetal immunity - WikiBlood#Introduction |
− | *'''''Crossing of the placenta''''' | + | |q2=Why do neonates require maternal antibodies? |
− | *'''''Milk''''' | + | |a2= |
− | *'''''Vaccination''''' | + | *Immunocompromised at birth due to a poorly developed immune system |
− | *'''''Plasma transfusions''''' | + | *Mucosal surfaces are particularly vunerable |
− | ||[[Materno-fetal immunity - WikiBlood#Introduction|<span title="Answer article">Link to Answer Article</span>]] | + | *Colostral and milk antibodies protect neonates from infection |
− | |-
| + | |l2=Materno-fetal immunity - WikiBlood#Introduction |
− | |<big>'''Why do neonates require maternal antibodies?'''
| + | |q3=In which animals is there no passive transfer of IgG antibodies across the placenta? |
− | ||<font color="white"> <big> | + | |a3= |
− | *'''''Immunocompromised at birth due to a poorly developed immune system''''' | + | *Ruminants |
− | *'''''Mucosal surfaces are particularly vunerable''''' | + | *Horses |
− | *'''''Colostral and milk antibodies protect neonates from infection''''' | + | *Pigs |
− | ||[[Materno-fetal immunity - WikiBlood#Introduction|<span title="Answer article">Link to Answer Article</span>]] | + | |l3=Materno-fetal immunity - WikiBlood#Passive transfer via placenta |
− | |-
| + | |q4=What type of placenta do dogs and cats have? |
− | |<big>'''In which animals is there no passive transfer of IgG antibodies across the placenta?'''
| + | |a4=Endotheliochorial |
− | ||<font color="white"> <big> | + | |l4=Materno-fetal immunity - WikiBlood#Introduction |
− | *'''''Ruminants''''' | + | |q5=What does colostrum contain? |
− | *'''''Horses''''' | + | |a5= |
− | *'''''Pigs''''' | + | *Immune factors |
− | ||[[Materno-fetal immunity - WikiBlood#Passive transfer via placenta|<span title="Answer article">Link to Answer Article</span>]] | + | *Growth factors |
− | |-
| + | *Vitamins |
− | |<big>'''What type of placenta do dogs and cats have?'''
| + | *Minerals |
− | ||<font color="white"> <big> | + | |l5=Materno-fetal immunity - WikiBlood#Passive transfer via colostrum |
− | *'''''Endotheliochorial'''''
| + | |q6=Which immunoglobulins are present in colostrum? |
− | ||[[Materno-fetal immunity - WikiBlood#Introduction|<span title="Answer article">Link to Answer Article</span>]] | + | |a6= |
− | |-
| + | *IgG in the largest amount |
− | |<big>'''What does colostrum contain?'''
| + | *IgA |
− | ||<font color="white"> <big> | + | *IgM |
− | *'''''Immune factors''''' | + | |l6=Materno-fetal immunity - WikiBlood#Passive transfer via colostrum |
− | *'''''Growth factors''''' | + | |q7=True or False: IgA is most abundent in ruminant milk |
− | *'''''Vitamins''''' | + | |a7= |
− | *'''''Minerals''''' | + | *False |
− | ||[[Materno-fetal immunity - WikiBlood#Passive transfer via colostrum|<span title="Answer article">Link to Answer Article</span>]] | + | *IgG is most abundent in ruminant milk |
− | |-
| + | *IgA is most abundent in non-ruminant milk |
− | |<big>'''Which immunoglobulins are present in colostrum?'''
| + | |l7=Materno-fetal immunity - WikiBlood#Passive transfer via colostrum |
− | ||<font color="white"> <big> | + | |q8=When does inadequate absorption of immunoglobulins occur in the neonate? |
− | *'''''IgG in the largest amount''''' | + | |a8= |
− | *'''''IgA''''' | + | *The neonate does not recieve colostrum |
− | *'''''IgM''''' | + | *The neonate does not recieve enough colostrum |
− | ||[[Materno-fetal immunity - WikiBlood#Passive transfer via colostrum|<span title="Answer article">Link to Answer Article</span>]] | + | *The neonate does not absorb enough colostrum |
− | |-
| + | *The quality of the colostrum was inadequate |
− | |<big>'''True or False: IgA is most abundent in ruminant milk'''
| + | |l8=Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT) |
− | ||<font color="white"> <big> | + | |q9=What does colostrum quality depend upon? |
− | *'''''False''''' | + | |a9= |
− | *'''''IgG is most abundent in ruminant milk''''' | + | *Breed |
− | *'''''IgA is most abundent in non-ruminant milk''''' | + | *Nutrition |
− | ||[[Materno-fetal immunity - WikiBlood#Passive transfer via colostrum|<span title="Answer article">Link to Answer Article</span>]] | + | *Season |
− | |-
| + | *Stress |
− | |<big>'''When does inadequate absorption of immunoglobulins occur in the neonate?'''
| + | *Immunostatus of the dam |
− | ||<font color="white"> <big> | + | *Milk yield |
− | *'''''The neonate does not recieve colostrum''''' | + | *Pre-milking |
− | *'''''The neonate does not recieve enough colostrum''''' | + | *Parity |
− | *'''''The neonate does not absorb enough colostrum''''' | + | *Dripping from the teats |
− | *'''''The quality of the colostrum was inadequate''''' | + | |l9=Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT) |
− | ||[[Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT)|<span title="Answer article">Link to Answer Article</span>]] | + | |q10=What does the quantity of colostrum depend upon? |
− | |-
| + | |a10= |
− | |<big>'''What does colostrum quality depend upon?'''
| + | *Amount the neonate suckles |
− | ||<font color="white"> <big> | + | *Premature births |
− | *'''''Breed''''' | + | |l10=Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT) |
− | *'''''Nutrition''''' | + | </FlashCard> |
− | *'''''Season''''' | + | ===Testing Colostrum Quality=== |
− | *'''''Stress''''' | + | <FlashCard questions="9"> |
− | *'''''Immunostatus of the dam''''' | + | |q1=True or False: Colostrum quality can not be determined by appearance |
− | *'''''Milk yield''''' | + | |a1=True |
− | *'''''Pre-milking''''' | + | |l1=Materno-fetal immunity - WikiBlood#Testing colostrum quality |
− | *'''''Parity''''' | + | |q2=How can colostrum be stored without reducing its immunological potential? |
− | *'''''Dripping from the teats''''' | + | |a2= |
− | ||[[Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT)|<span title="Answer article">Link to Answer Article</span>]] | + | *Freezing immediately will make the colostrum last for a year |
− | |-
| + | *Refridgerating immediately will make the colostrum last for 5-7 days |
− | |<big>'''What does the quantity of colostrum depend upon?'''
| + | |l2=Materno-fetal immunity - WikiBlood#Testing colostrum quality |
− | ||<font color="white"> <big> | + | |q3=How can the immune status of colostrum be tested? |
− | *'''''Amount the neonate suckles''''' | + | |a3= |
− | *'''''Premature births''''' | + | *By a colostrometer |
− | ||[[Materno-fetal immunity - WikiBlood#Failure of passive transfer (FPT)|<span title="Answer article">Link to Answer Article</span>]] | + | *Through using the Zinc Sulfate Turbidity (ZST) test |
− | |}
| + | *Total serum protein can be calculated |
− | <br>
| + | |l3=Materno-fetal immunity - WikiBlood#Testing colostrum quality |
− | <br>
| + | |q4=Which immunoglobulin levels does a colostrometer measure? |
− | ==<font color="purple">Testing Colostrum Quality</font>== | + | |a4=IgG |
− | {| border="3" cellpadding="8"
| + | |l4=Materno-fetal immunity - WikiBlood#Colostrometer |
− | !width="400"|'''Question'''
| + | |q5=Why must colostrum be tested by a colostrometer at room temperature (20°C)? |
− | !width="400"|'''Answer'''
| + | |a5= |
− | !width="150"|'''Article'''
| + | *Above 20°C levels of IgG will be underestimated |
− | |-
| + | *Below 20°C levels of IgG will be overestimated |
− | |<big>'''True or False: Colostrum quality can not be determined by appearance'''
| + | |l5=Materno-fetal immunity - WikiBlood#Colostrometer |
− | ||<font color="white"> <big> | + | |q6=What levels of ZST units would indicate a healthy amount of passive transfer in calves? |
− | *'''''True'''''
| + | |a6=Above 30 ZST units |
− | ||[[Materno-fetal immunity - WikiBlood#Testing colostrum quality|<span title="Answer article">Link to Answer Article</span>]] | + | |l6=Materno-fetal immunity - WikiBlood#Zinc Sulfate Turbidity (ZST) test |
− | |-
| + | |q7=What levels of serum immunoglobulin would indicate a healthy amount of passive transfer in foals? |
− | |<big>'''How can colostrum be stored without reducing its immunological potential?'''
| + | |a7=Above 800 mg/dl |
− | ||<font color="white"> <big> | + | |l7=Materno-fetal immunity - WikiBlood#Zinc Sulfate Turbidity (ZST) test |
− | *'''''Freezing immediately will make the colostrum last for a year''''' | + | |q8=What is total serum protein levels measured by and at which ages should neonates be tested? |
− | *'''''Refridgerating immediately will make the colostrum last for 5-7 days''''' | + | |a8= |
− | ||[[Materno-fetal immunity - WikiBlood#Testing colostrum quality|<span title="Answer article">Link to Answer Article</span>]] | + | *A refractometer |
− | |-
| + | *2-8 days old |
− | |<big>'''How can the immune status of colostrum be tested?'''
| + | |l8=Materno-fetal immunity - WikiBlood#Total serum protein |
− | ||<font color="white"> <big> | + | |q9=What levels of serum protein indicate the neonate is healthy and does not require further colostrum? |
− | *'''''By a colostrometer''''' | + | |a9=Above 4.5 mg/dl |
− | *'''''Through using the Zinc Sulfate Turbidity (ZST) test''''' | + | |l9=Materno-fetal immunity - WikiBlood#Total serum protein |
− | *'''''Total serum protein can be calculated''''' | + | </FlashCard> |
− | ||[[Materno-fetal immunity - WikiBlood#Testing colostrum quality|<span title="Answer article">Link to Answer Article</span>]] | + | ===Neonatal Isoerytholysis (NI)=== |
− | |-
| + | <FlashCard questions=""> |
− | |<big>'''Which immunoglobulin levels does a colostrometer measure?'''
| + | |q1=When does alloimmune haemalytic anaemia occur? |
− | ||<font color="white"> <big> | + | |a1= |
− | *'''''IgG'''''
| + | *When a neonate inherits the sires blood type and drinks colostrum from the dam |
− | ||[[Materno-fetal immunity - WikiBlood#Colostrometer|<span title="Answer article">Link to Answer Article</span>]] | + | *As the colostrum contains antibodies against the sire and thus the neonates red blood cells |
− | |-
| + | |l1=Materno-fetal immunity - WikiBlood#Alloimmune haemalytic anaemia of the newborn |
− | |<big>'''Why must colostrum be tested by a colostrometer at room temperature (20°C)?'''
| + | |q2=When does Neonatal Isoerytholysis occur? |
− | ||<font color="white"> <big> | + | |a2= |
− | *'''''Above 20°C levels of IgG will be underestimated''''' | + | *First pregnancy from a stallion with incompatible blood type to the mare |
− | *'''''Below 20°C levels of IgG will be overestimated''''' | + | *Subsequent pregnancy from the same stallion or same blood group as previously exposed to |
− | ||[[Materno-fetal immunity - WikiBlood#Colostrometer|<span title="Answer article">Link to Answer Article</span>]] | + | |l2=Materno-fetal immunity - WikiBlood#Neonatal Isoerytholysis (NI) |
− | |-
| + | |q3=True or False: Neonatal Isoerytholysis always occurs in mules |
− | |<big>'''What levels of ZST units would indicate a healthy amount of passive transfer in calves?'''
| + | |a3=True |
− | ||<font color="white"> <big> | + | |l3=Materno-fetal immunity - WikiBlood#Neonatal Isoerytholysis (NI) |
− | *'''''Above 30 ZST units'''''
| + | </FlashCard> |
− | ||[[Materno-fetal immunity - WikiBlood#Zinc Sulfate Turbidity (ZST) test|<span title="Answer article">Link to Answer Article</span>]] | |
− | |-
| |
− | |<big>'''What levels of serum immunoglobulin would indicate a healthy amount of passive transfer in foals?'''
| |
− | ||<font color="white"> <big> | |
− | *'''''Above 800 mg/dl'''''
| |
− | ||[[Materno-fetal immunity - WikiBlood#Zinc Sulfate Turbidity (ZST) test|<span title="Answer article">Link to Answer Article</span>]] | |
− | |-
| |
− | |<big>'''What is total serum protein levels measured by and at which ages should neonates be tested?'''
| |
− | ||<font color="white"> <big> | |
− | *'''''A refractometer''''' | |
− | *'''''2-8 days old''''' | |
− | ||[[Materno-fetal immunity - WikiBlood#Total serum protein|<span title="Answer article">Link to Answer Article</span>]] | |
− | |-
| |
− | |<big>'''What levels of serum protein indicate the neonate is healthy and does not require further colostrum?'''
| |
− | ||<font color="white"> <big> | |
− | *'''''Above 4.5 mg/dl'''''
| |
− | ||[[Materno-fetal immunity - WikiBlood#Total serum protein|<span title="Answer article">Link to Answer Article</span>]] | |
− | |}
| |
− | <br>
| |
− | <br>
| |
− | | |
− | ==<font color="purple">Neonatal Isoerytholysis (NI)</font>== | |
− | {| border="3" cellpadding="8"
| |
− | !width="400"|'''Question'''
| |
− | !width="400"|'''Answer'''
| |
− | !width="150"|'''Article'''
| |
− | |-
| |
− | |<big>'''When does alloimmune haemalytic anaemia occur?'''
| |
− | ||<font color="white"> <big> | |
− | *'''''When a neonate inherits the sires blood type and drinks colostrum from the dam''''' | |
− | *'''''As the colostrum contains antibodies against the sire and thus the neonates red blood cells''''' | |
− | ||[[Materno-fetal immunity - WikiBlood#Alloimmune haemalytic anaemia of the newborn|<span title="Answer article">Link to Answer Article</span>]] | |
− | |-
| |
− | |<big>'''When does Neonatal Isoerytholysis occur?'''
| |
− | ||<font color="white"> <big> | |
− | *'''''First pregnancy from a stallion with incompatible blood type to the mare''''' | |
− | *'''''Subsequent pregnancy from the same stallion or same blood group as previously exposed to''''' | |
− | ||[[Materno-fetal immunity - WikiBlood#Neonatal Isoerytholysis (NI)|<span title="Answer article">Link to Answer Article</span>]] | |
− | |-
| |
− | |<big>'''True or False: Neonatal Isoerytholysis always occurs in mules'''
| |
− | ||<font color="white"> <big> | |
− | *'''''True'''''
| |
− | ||[[Materno-fetal immunity - WikiBlood#Neonatal Isoerytholysis (NI)|<span title="Answer article">Link to Answer Article</span>]] | |
− | |}
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− | <br>
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− | <big><center>[[Materno-fetal immunity - WikiBlood|'''BACK TO MATERNO-FETAL IMMUNITY''']]</center></big>
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− | <big><center>[[Flash Cards - WikiBlood|'''BACK TO WIKIBLOOD FLASHCARDS''']]</center></big>
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