Table 1 Demographic data of 25 dams and their litters, and occurrence of parturition abnormalities and fading puppy syndrome.

From: Developmental intestinal microbiome alterations in canine fading puppy syndrome: a prospective observational study

Parturition number

Kennela

Season

Dam age (years)

Parity

Parturition abnormalities

Breed

Litter size

Puppies with FPS

1

1

Winter

5

3

Dystocia

Border collie

5

0

2

2

Winter

4

3

PL, LP

Shih Tzu

4

0

3

2

Winter

2

1

Resusc

Pembroke Welsh Corgi

6

1

4

2

Winter

2.5

1

Maltese

3

0

5

1

Winter

6

4

Australian shepherd

8

5

6

1

Winter

3.5

2

Australian shepherd

10

4

7

1

Winter

6

4

Australian shepherd

4

0

8

1

Winter

4

3

Jack Russell Terrier

5

1

9

3

Spring

NA

NA

American Pit bull terrier

9

1

10

4

Spring

2

1

Cane Corso

13

1

11

2

Spring

2.5

2

Shih Tzu

8

0

12

2

Spring

4

3

CKCS

5

0

13

2

Spring

2.5

1

German shepherd

7

2

14

2

Spring

5

2

Shih Tzu

5

1

15

2

Summer

3

2

Caucasian shepherd

6

0

16

2

Summer

7

3

Shih Tzu

2

0

17

1

Autumn

5

4

Border collie

8

1

18

1

Autumn

4.5

3

Jack Russell terrier

6

1

19

1

Autumn

3.5

2

Australian shepherd

6

1

20

1

Winter

6

4

Australian shepherd

10

3

21

1

Winter

6

3

Australian shepherd

8

0

22

1

Winter

3

1

Dystocia, CS

Bernese Mountain Dog

10

0

23

2

Spring

3

2

Shih Tzu

5

0

24

1

Spring

4.5

3

Australian shepherd

7

0

25

1

Spring

5

3

Shetland sheepdog

5

0

  1. NA not available, PL prolonged labor, LP large puppies, Resusc two puppies required resuscitation during parturition, CS Cesarean section, CKCS Cavalier King Charles spaniel.
  2. a1 and 2 commercial breeding kennels, 3 municipal kennel, 4 unprofessional breeder.