Poultry B25

Question 1

cause of early mortality of day old chick

Answer 1

poor environment - temp, humidity, stock density
infection - e. coli , salmonella
non infectious - poor microelements/ vits/ supply in yolk

Question 2

when does acute death syndrome occur

Answer 2

week 3-4

Question 3

clinical sign of acute death syndrome

Answer 3

sudden
found on backs after wing beating convulsion

Question 4

at risk for acute death syndrome

Answer 4

broilers
turkey hybrids
60-80% males

Question 5

pathophys of acute death syndrome

Answer 5

decreased heart function
circulatory collapse
ventricullar fibrillation

Question 6

predisposition of acute death syndrome

Answer 6

genetics
intensive fattening (allometric growth)

Question 7

prevention of acute death syndrome

Answer 7

day long feed restriction on day 20

Question 8

another name for malabsorption syndrome

Answer 8

runting- stunting/helicopter

Question 9

malabsorption syndrome occurs on day

Answer 9

4-7

Question 10

symptoms of malabsorption syndrome

Answer 10

growth depression
lack of pigmentation
leg weakness
early mortality
diarrhoea
helicopter feather appearance (incomplete, twisted)

Question 11

risk groups of malabsorption syndrome

Answer 11

broiler and turkey hybrids

Question 12

cause of malabsorption syndrome

Answer 12

mycotoxins

Question 13

conseqence of malabsorption syndrome

Answer 13

insufficient enzyme activity

Question 14

treatment of malabsorption syndrome

Answer 14

vitamins in water supply

Question 15

another name for ascites

Answer 15

water belly
oedema disease
pulmonary hypertension

Question 16

symptoms of ascites

Answer 16

liquid in abdomen
blue-grey skin
die on backs

Question 17

risk groups of ascites

Answer 17

broiler chicks due to intense fattening
genes
mycotoxins

Question 18

pathophys of ascites

Answer 18

increased vascular pressure
right sided heart pressure

Question 19

consequence of ascites

Answer 19

cardiac overload
enlarged right ventricle
stagnation of blood
high venous pressure

Question 20

prevention of ascites

Answer 20

no treatment
only less intense feeding

Question 21

fatty liver haemorrhagic syndrome predisposition

Answer 21

high producing layers
increased carb and increased egg production leading to increased oestrogen in blood

Question 22

symptoms of fatty liver haemorrhagic syndrome

Answer 22

low egg production
circ collapse
subscapular haemorrhage
fat accumulation in hepatocytes

Question 23

treatment of fatty liver haemorrhagic syndrome

Answer 23

replace starch with oils

Question 24

cause of fatty liver haemorrhagic syndrome

Answer 24

increased de novo lipid synthesis

Question 25

cage layer fatigue

Answer 25

osteoparalysis caused by Ca metabolism disorders

Question 26

death in cage layer fatigue

Answer 26

starvation dehydration

Question 27

breeds in cage layer fatigue

Answer 27

high producing layers

Question 28

treatment of cage layer fatigue

Answer 28

ca vit d vit c

Question 29

predisposition of skeletal disorders

Answer 29

genotype intense fattening decreased minerals antinutritives

Question 30

rickets

Answer 30

rubbery bones decreased vit d, ca, k inadequate Ca:P ratio malabsorption failure of minerisation

Question 31

perosis

Answer 31

long bone poor growth widening of joint ortwisting of distal en of tibia

Question 32

perosis is due to

Answer 32

decreased choline, biotin, pydiroxine, folic acid, manganese

Question 33

torsion of tibia occurs in

Answer 33

fast growing broilers

Question 34

torsion of tibia due to

Answer 34

growth rate weight genetics exercise balance btw growth and malnutrition

Question 35

dyschondroplasia

Answer 35

abnormal cartilage development in prox end of tibia

Question 36

dyschondroplasia due to

Answer 36

growth rate genes Ca:P metabolic acidosis Cu deficiency fusarium in feed