ANS 124 Lecture 1 + MG of animals (L2)

CA stats, MG # in animals, teats v nip

largest ag industry in CA

dairy

CA has how much of US dairy cattle population

1/5

milk/cow in CA

2300lb/lactation

teat

1 galactophore per teat/nip

nip

multiple galactophores per teat/nip

kangaroo gland # & position

4 abdominal

kangaroo openings (teat/nip)

15 openings per nip

cat gland # & position

2 thoracic

6 abdominal

cat openings (teat/nip)

3-7 openings per nip

dog gland # & position

2 thoracic

6 abdominal

2 inguinal

dog openings (teat/nip)

8-14 openings per nip

mouse gland # & position

4 thoracic

2 abdominal

4 inguinal

mouse openings (teat/nip)

teat

elephant gland # & position

2 thoracic

elephant openings (teat/nip)

10-11 openings per nip

cattle gland # & position

4 inguinal

cattle openings (teat/nip)

teat

sheep gland # & position

2 inguinal

sheep openings (teat/nip)

teat

goat gland # & position

2 inguinal

goat openings (teat/nip)

teat

pig gland # & position

4 thoracic

6 abdominal

2 inguinal

pig openings (teat/nip)

2 openings per nip

human gland # & position

2 thoracic

human openings (teat/nip)

8-15 openings per nip