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Table 1 Distribution of faecal (chicks) and litter (nest) samples with covariate groupings

From: Influence of management practice on the microbiota of a critically endangered species: a longitudinal study of kākāpō chick faeces and associated nest litter

 

Faecal removal experiment

Total

Faeces in

Faeces removed

Mixed

Unknown

Hand rearing

 

Faecal samples

287^

64

118

51

8

46

 

No. of chicks

67 (35 nests)

15

29

14

2

22 (7*)

 

Litter samples

124

44

74

N/A

6

N/A

 

No. of nests

34

11

22

N/A

1

N/A

 
 

Chick age/Days since first chick in nest

 < 14 days

15–28 days

29–42 days

43–56 days

57–70 days

71–120 days

200 + days

Faecal samples

53

39

54

43

32

21

45

No. of chicks

45

34

46

39

29

16

37

Litter samples

35

32

22

21

8

6

N/A

No. of nests

28

26

19

19

7

4

N/A

 

Movement of chicks

Location

Aspergillosis

No

Yes

Pukenui

Whenua Hou

Unaffected

Linked

Infected

Faecal samples

92 (14#)

181

96

145

188

36

63

No. of chicks

21 (4#)

42

24

36

43

7

17

Litter samples

39

85

53

71

80

8

36

No. of nests

12

22

13

21

20

2

12

 

Nest type

A-frame

Hole

Open

Rock

Tree

Hand rearing

Sub-adult samples

Faecal samples

24

60

4

6

102

46

45

No. of chicks

11

21

2

2

33

23

37

Litter samples

18

37

4

5

60

N/A

N/A

No. of nests

6

9

1

1

17

N/A

N/A

  1. ^Of the 287 faecal samples collected, 43 represent faecal material that was pooled where it could not be attributed to a single chick in a nest of multiple juvenile kākāpō
  2. *Indicates number of chicks that were raised entirely in captivity
  3. #Faecal samples collected from chicks with no visitors to the nest, but which were placed in a nest previously inhabited by other juveniles (grouped separately for statistical analyses)