Males 🚹 Flashcards

1
Q

Descent of Testes

A

🐶: 14d ➡️ 6mo

🐱: at birth ➡️ 10mo

🐎: 10d ➡️ 9 mo

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2
Q

Puberty factors

A

Poor BCS = ⬇️LH thats req for Testosterone

Sm breeds hit puberty earlier

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3
Q

Puberty onset

A

🐶🐱: 9mo

🐎: 14mo

🐄: 11 mo

🐑 🐷: 7mo
🐐: 5mo

Llama/alpaca: 2-3y

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4
Q

Puberty endocrine

A

Prepub: 🚺🚹 both ✅active GnRH SURGE CENTER & TONIC SC

Post-pub:
🚺 ✅both
🚹 🚫SURGE CENTER ➡️✳tonic ️LH SURGE ➡️ freq rel Testosterone

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5
Q

HPA Gonadal axis

A

Hypothal: ✳️ GnRH
➡️A.Pitu: ❇️FSH➡️Sertoli cells
❇️LH➡️ Leydig cells

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6
Q

Sertoli cells

A

DIE

Dihydrotestosterone
Inhibin
Estradiol

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7
Q

Leydig cells

A

Testosterone

Estrone sulfate

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8
Q

Duration of spermatogenic cycle

A

2 months
60d

14d for maturation in epididymis

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9
Q

Thermoregulation testes

A

1° Tunica dartos- sm Mm

Cremaster - striated Mm

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10
Q

MC Acc gl pathos

A

🐶: prostate (only acc gl)

🐎: ampullae

🐄: vesicular gl

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11
Q

Sperm morphalogic defect

Tetrazoospermia

A

1°: production defect in SEMINIFEROUS TUB

2°: maturation/storage defect in EPIDIDYMIS

3°: post-ejac/iatrogenic

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12
Q

Min total sperm count in 🐶

A

300 million sperm

Low standard

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13
Q

If azoospermia, confirm Dx test

A

Measure semen ALP

> 500 u/L ➡️ partial emptying

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14
Q

Brucella canis

A

Serology ➡️ add 2-ME

Cornell AGID
MO blood culture

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15
Q

Scrotal circumference

A

Directly correlated to: SAG

Sperm production capacity
Age of puberty onset
Growth traits

🐃 have SFT min standards
>50cm is TOO BIG

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16
Q

Semen collection

A

Electroejac: 🐃🐐

Artificial vag: 🐑

Progressively motile: >30% in field
Morph: > 70% normal

17
Q

Tritrichomonas foetus

A

Older 🐃 ➡️ early embryonic death 🐄

Young bulls clear infx

Culture & PCR

REPORTABLE IN MO ‼️

18
Q

🐎 satisfactory prospective breeder

A

> 1 bill sperm in each of 2 ejacs 1 hr apart

> 9sm scrotal circum

Free of dis & heritable defects

19
Q

Epididymitis 🐑

A

Mature: Brucella ovis ➡️☠cull

Virgin: Actinobacillus seminis > histophilus spp. +/- Pasteurella haem
➡️ 60% self cure

20
Q

Impotentia coeundi

Impotentia generandi

A

i.c.- 🚫mechanics 🚫coitus

I.g.- ✅coitus ➡️🚫offspring
Factories & storage problem

21
Q

Priapism

A

Persistent penile erection

🐶 BOTH ✅Bulbus glandis & ✅Pars longa are engorged

22
Q

Phimosis

A

🚫protrude penis

23
Q

Paraphimosis

A

Cannot return penis in prepuce

🐶 only pars longa engorged 🚫bulbus glandis

24
Q

Broken penis

A

🐃 rupture tunica albuginea

Distal to sigmoid flexure
Near RETRACTOR PENIS Mm