The document discusses infertility in male domestic animals. It identifies several potential causes of infertility including infectious diseases like brucellosis, leptospirosis, and trichomoniasis. Inherited sperm defects are also discussed, such as the knobbed acrosome defect. Prevention methods for infectious diseases include quarantining animals and regularly testing semen. The author is identified as Prof. Dr. G.N. Purohit, who provides contact information to learn more about infertility in male domestic animals.
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The fertility of a male is related to several phenomenon includes sperm production, viability and fertilizing capacity
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reduced fertility poses serious problems and causes economic losses to breeders and AI industry.
Induction of parturition & elective termination of pregnancyMahalingeshwara Mali
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service and failure of conception after normal service. The sterile males are readily identified, but the males with
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Andrology lecture 16 Semen collection from male animals and its evaluationDrGovindNarayanPuroh
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Andrology lecture 18 impotetia generandi part 1
1. INFERTILITY IN MALE DOMESTIC
ANIMALS Impotentia Generandi -I
Prof. Dr. G.N Purohit
MVSC, PhD, MNVAS
Dean Post Graduate Studies and University Head Dept. Veterinary
(Gynecology & Obstetrics)
College of veterinary & Animal Science, RAJUVAS
Bikaner, Raj., India.
Email: gnpobs@gmail.com
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
3. Associated with apparently normal Semen Production
• Infectious cause
• Inherited sperm
defects
• Chromosomal
aberrations
Causes
• Normal Semen
Production
Normal
• Failure of
fertilization
• Early embryonic
death
Abnormal
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
4. Causes
Infectious cause
• IBR
• FMD
• BVD
• Brucellosis
• Trueperalla pyogens
• Campylobacteriosis
• Leptospirosis
• Chlamydiosis
• Mycobacterium
• Trichomoniasis
• Mycoplasmosis
Inherited sperm
defects
• Knobbed Acrosome
• Dag Effect
• Diadem effect / Necklace
• Pseudo-droplet
• Tail Stump
Chromosomal
aberrations
• XO Syndrome
• XXX Syndrome
• XX/XY Chimerism
• Gonadal Dysgenesis
• Sex Reversal Syndrome
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
5. Infectious cause
BHV -1
Semen
Orchitis
Azoospermia
Pustular balanoposthitis
Aphthovirus
Both semen and
cryopreserved semen
Sperm motility
Sperm abnormality
Pesti virus
Both semen and
cryopreserved semen
May or May not affect
the sperm quality
IBR BVD
FMD
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
6. Leptospirosis
Etiology
• Leptospira hardjo
• L.interrogans
• L.canicola
Spread
• Fresh semen
• Frozen semen
Lesion
• Inflammationof
accessory glands
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
7. Trichomoniasis (Protozoa)
Tritrichomonas fetus
Venereal disease
No symptoms in bull
Life Long Carrier
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
8. Camphylobacteriosis
Etiology
•Camphylobacter fetus subsp. venerealis
Transmis
sion
• Venereal transmission
• AI
Sympto
ms
• No symptoms in bull
• Reside in preputial mucosa
• Life long carrior
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
9. Brucellosis(Zoonotic)
• Brucella abortus
• Brucella
melitensis
Etiology
• AI high risk
• Natural mating
low risk
Transmission
• Orchitis
• Epididymitis
• Seminal
vesiculitis
Lesion
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
12. Prevention of Infectious disease (Article 3.2 of OIE)
Pre-quarantine
Bull should be free of Brucellosis, TB, Para tuberculosis,
BVD,IBRT etc.
Quarantine (28 days minimum)
Bull should be tested for Brucellosis, BVD, IBRT,
Trichomoniasis, Campylobacterious
Residents ( Annually once)
Semen Evaluation: For Brucellosis, BVD, IBRT,
Trichomoniasis, TB etc.
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
13. Inherited sperm defects
Anteriorly placed
thickening of acrosome.
Sperms have normal
motility and concentration
but sperms cannot
penetrate ova
Spermatozoa will
have strongly coiled,
folded or disrupted or split
tails. Sperms are immotile
Red colored spots located along the
nuclear ring, just like a row of
pearls or necklace or diadem. This is
an inherited sperm defect with
eversion of galea capitis and crater
shaped depression of nucleas
Knobbed Acrosome Dag Effect Diadem Effect
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
15. Mid piece of the affected
sperm looks like a cork screw
Centre of the mid -piece and
appears as rounded or elongated or
irregularly thickened areas
Tail stump or Split tails
Pseudo-droplet Tail stump
Corkscrew
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
16. Contact me
Prof. Dr. G.N Purohit
MVSC, PhD, MNVAS
Head Dept. Veterinary (Gynecology & Obstetrics)
College of veterinary & Animal Science, Bikaner, Raj.India.
Email:gnpobs@gmail.com
Linked in : linkedin.com/in/dr-govind-narayan-purohit-13a04a17
YouTube Channel link : https://www.youtube.com/user
/gnpobs61/videos
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes
17. Kindly listen to the lecture completely,
share the video and subscribe to my You
tube channel Govind Narayan Purohit if
you like them.
GOVIND
NARAYAN
PUROHIT
(GNP
Sir)
Dr. GN Purohit – Educational and Confidential - Content collected from different sources Not Permitted for Replication or Commercial Purposes