Ante-mortem inspection - PowerPoint PPT Presentation

1 / 185
About This Presentation
Title:

Ante-mortem inspection

Description:

Title: Slide 1 Author: ECS Last modified by: ECS Created Date: 1/6/2004 9:58:45 AM Document presentation format: On-screen Show Company: NOTEBOOK Other titles – PowerPoint PPT presentation

Number of Views:191
Avg rating:3.0/5.0
Slides: 186
Provided by: ECS107
Category:

less

Transcript and Presenter's Notes

Title: Ante-mortem inspection


1
Ante-mortem inspection
  • ?????? ??????????
  • ?????????????????
  • ??????????????????????

2
????????????
  • ??????????????????????????????????????????????????
    ??????????????????
  • ??????????????????????????????????????????????????
    ?????????????????? antemortem
  • ????????????????????????????? ????????????????????
    ?? acceptable ???? unacceptable
    ???????????????????????
  • ????????????????????????????????????????????????
    AM ???????????????????? PM

3
??? disposition??????????????????????
  • ??????????????????????????????????????
    ???????????
  • ????????????????????????

4
???????????????????????????? Disposition
??????? (history)
??????? (examination)
??????????? (diagnosis)
???????????
5
????????????????????????????????
????????????????????????
???????
6
??????????????????????????????????????
  • ?????????????
  • ?????????
  • ???????????????????

7
????????????????????????????????
  1. ?????? ???????????????????????????????????
    ?????????????????????????
  2. ?????????????? ????????????????????
  3. ????????????? ????????????????????????????????????
    ???????????????????????????????????
  4. ????????????????????? ????????????????????????
    ??????????????????????????

8
?????????????????????????????
  1. ???????????????????????????????????????
    ????????????????????????????????
    ???????????????????????? ?????????????????????????
    ? ????????????? ????????
  2. ????????????????????? ??????????????????
    ????????????????????????????????????
  3. ????????????????????????????????????????????
    ??????????????????

9
??????????????????????????????????????????????
  1. ????????????????????
  2. ????????????????
  3. ??????????????????????????????????????????????????
  4. ??????????????????????????????????????
  5. ?????????????

10
Ante-mortem Disposition Choices
  • ?????????????????????????? (Passed for regular
    slaughter) ????
  • ???????????????????? (Passed as a "Suspect)"
    ????
  • ????????????????? (Identified as "Condemned)

11
????????????????????????????
  • ???????????????
  • ?????????????????
  • ?????????????????????????????
  • ??????????????? ??? ??. ???? ??. ?????????????
  • ??????????????? ???????????????????
  • ?????????????? 2 ???? ??????? ???????????
  • ????????????????? ???????????? ???????????

12
???????????????????
  • ??????????????????
  • ????????????????????
  • ?????????????
  • Actinomycosis ???? Actinobacillosis
  • ???????????????????
  • ?????????????????????????

13
??????????????????? (???)
  • ????????????????????????? ???? anthrax, acute
    swine erysipelas, melioidoses, FMD, swine fever

14
???????????????? ??????????
  • ???????????
  • ???????? ????????????????????
  • ????????????????????? ?????? 6 ?????????????????
  • ??????
  • ???????????????????????????????????
  • ?????????

15
???????????????? ?????????? (???)
  • ???????????
  • Anasarca ????????????
  • ?????????????????? ??????????????
    ???????????????????????? ????????? ????
    leptospirosis
  • ??????????????????????? (?????? ??????? ????
    condemn)
  • ?????????????????????????

16
Septicemia
17
Septicemia (???)
  • ??????
  • ?????????????? (tremor)
  • Dyspnea
  • ?????????????? locomotion
  • ??????? ???? suppuration

18
downer ???? physical depression
septicemia
19
hyperemia
septicemia
20
Congestion ??? mucous membrane
septicemia
21
Ante-mortem disposition
  • Condemn ??????????????????????? septicemia
  • Suspect ??????????????????????????????????
    septicemia ???????????????????????????????

septicemia
22
Toxemia
  • ?????????????? ???? gangrenous mastitis
  • Variable temperature ????????????????????????????
    ??
  • ????? downer ???? physical depression
  • ????????????????? locomotion

23
downer
toxaemia
24
dehydration
toxaemia
25
??? - ??????????? ????????????????? (confuse)
??????? convulsion
toxaemia
26
Antemortem disposition
  • Condemn ????????????????????????????????????????
    toxemia
  • Suspect ?????????????????????????
    ?????????????????????????? toxemia

toxaemia
27
Pyemia
  • Depression ???? lethargy
  • ??????????????????????????????????????????????????
    ??? (ambient) ???????????????????????????????????
    ?????????????? ??????????????????????????? ??

28
??????
pyemia
29
Umbilical abscess
pyemia
30
Subcutaneous abscess
pyemia
31
Cachexia
pyemia
32
(No Transcript)
33
  • Scirrhous cord (funiculitis)

pyemia
34
Antemortem Disposition
  • Condemn ???????????????????????????????
    ???????????????? carcass ??????? condemn
    ???????????? postmortem ???? ?? ???
    ??????????????? systemic
  • Suspect ??????????????????????
    ?????????????????????????????????????? pyemia

pyemia
35
Swine Erysipelas
  • ???????????
  • ?????????????????????????????? ????????????
  • ?????????????????????????

36
Bright ??? alert ????????????????????
???????????????? ??????????
Swine erysipelas
37
???????? diffuse ???????????????? ???????????
raised, red, edematous, rhomboid wheals (acute
stages) ??????????????????????????????????????????
? (chronic)
Swine erysipelas
38
Antemortem disposition
  • Condemn ????????????????????????? acute
    erysipelas
  • Suspect ?????????????????????????????????????????
    ???? erysipelas ??????????????????? condemnation

Swine erysipelas
39
Arthritis, Polyarthritis
  • ??????????????
  • ??????????????????? ??
  • Depression
  • Cachexia

40
arthritis
41
????????????????????
arthritis
42
??????? ??????????????????????????
arthritis
43
???????????????????????????
arthritis
44
????????????????????????????
arthritis
45
Antemortem disposition
  • Condemn Arthritis ??????????????? ??? cachexia
  • Suspect ?????????????????????????????????????
    arthritis ??????? erysipelas ?????????????????????
    ??????????????????????? ??????????????????
    condemn ??? (carcass) ???? postmortem

arthritis
46
  • ????? remove ??????? tarsal (hock) ??? carcass
    ??????????? localized arthritis
  • ??????????????? arthritis ??????????????????????
    (immaterial) ??? arthritis ??????? local
    ????????? remove ????????? trim ???????? condemn
    ?????????????????????????? drain
    ??????????????????? carcass passed for food
  • ???? remove ??? arthritis ???????? joint capsule
    ??????????????????????????????????????? edible
    product

arthritis
47
Pericarditis (pericarditis associated with
traumatic reticulitis)
  • ???? jugular furrow ??? ??????? retrograde venous
    pulse
  • Stiff, stilted gait ????????????????? ??????
    abducted ????????????????????????????????
  • ?????? ataxia
  • ?????????????? ?????????????????
  • ?????????????????????????
  • Cachexia ??? dehydration ???? ??????

pericarditis
48
Subcutaneous edema ????????????????????????
(brisket edema)
pericarditis
49
tucked-up abdomen ?????????????????????????????
????
pericarditis
50
Antemortem disposition
  • Condemn ??????????????? pericarditis ???????
    generalized (systemic) ??? condemn
  • Suspect ???????????????????? pericarditis
    ???????????????? systemic ????????????? suspect

pericarditis
51
Pneumonia
  • ?????????????? ????????????????????????????????
    ??
  • General depression ?????????????????
  • Swollen, watery eyes ????????????????????
    injected sclera
  • Discharge ??? nostrils (serous to mucopurulent
    discharge)
  • ???????????? abduct

pneumonia
52
????????????? (moribund)
pneumonia
53
Cachexia
pneumonia
54
Pulmonary distress
pneumonia
55
Peritonitis (includes traumatic
reticuloperitonitis)
  • Stiff-stilted gait ?????????????????
  • ?????????????? ??????????????????????????? ??
  • ?????????? body condition, dehydration
  • Depression
  • ?????????? ??????? perforation ???????????
  • ??????? ????????????????????????????
    ??????????????????????????????????
  • Rumen atony

56
tucked-up abdomen ?????????????????????????
peritonitis
57
congestion ??? mucous membranes
pneumonia
58
??????????????
pneumonia
59
Antemortem disposition
  • Condemn ??????? peritonitis ?????????????????
    ?????????????????????????? generalized
  • Suspect ??????????????????? peritonitis
    ???????????????? generalized

pneumonia
60
Enteritis/Gastritis
  • ?????????????? ??????????????????????????? ??
  • Dehydration
  • ???????????????
  • ?????? ataxia ???
  • Stiff, stilted gait, saw-horse stance
  • ????????????????????

61
???????? rectal prolapse ???????????
enteritis
62
Antemortem disposition
  • Condemn ?????????????????????? profuse diarrhea
    ??????????? Debilitation, dehydration, ????
    cachexia ??????? gastroenteritis
  • Suspect ???????? ??????????????????????
    ???????????????????????? generalized ???

pneumonia
63
Nephritis/Pyelonephritis
  • ?????????????? ????????????????????????????
    ambient ??????????????????????????????????????
    ??????????????????????????? ??
  • ????????????????????????????? (???? ????? ????)
  • ?????????????????????????????????
  • Poor condition

64
  • ???????????? urea
  • ????????????????? preputial hair
  • ???????????? acute nephritis ???????????????
    (???? ??????????? ??????? ??????)
  • Toxic signs ??? renal impairment ??????????????,
    exopthalmia, ???????, ?????????????, polyuria,
    incoordination ??? weakness pulmonary edema
    ??????????????, dyspnea, ??? gasping

nephritis
65
Mastitis
  • Traumatic injury ?????????
  • ????????????????? ????????????
  • Anorexia, dehydration, cachexia, depression
  • ?????????????? ??????????????????????????? ??
  • Purulent ????? sero-sanguinous exudate

66
????????? ???????????????????? ???? ??? ????????
mastitis
67
?????? gangrenous blue-black discolored ??????
mastitis
68
Antemortem disposition
  • Condemn ???????? ??????? mastitis ?????????????
    systemic
  • Suspect ???????????? mastitis ???????????????????
    ??????????????????? carcass ???????? condemn
    ??????? postmortem

mastitis
69
Special Note
  • Mammary lymph nodes ????????? mature ???
    hyperplastic
  • Enlarged, hyperplastic regional lymph node
    ??????????????????????????????????????????
    condemn carcass ??? carcass ??? ???? viscera ????

mastitis
70
Metritis
  • Vaginal discharge ????????????
  • Exudate ??? perineal hair
  • Tucked-up abdomen
  • ??????????????
  • Depression, cachexia
  • Tenesmus

71
Remnant ??? fetal membrane ????????? vulva
metritis
72
(No Transcript)
73
Antemortem disposition
  • Condemn ???????????? metritis ???????????????
    generalized
  • Suspect ??????????????????????? metritis
    ??????????????? generalized ????????
  • Special Note ???????? ??????????? ??????????????
    ??????????????????????????????????????????????????
    ??

metritis
74
Necrobacillosis
  • Cachexia
  • Nasal discharge
  • Pyrexia
  • Dyspnea

75
Foot rot
necrobacillosis
76
Dyspnea
necrobacillosis
77
Antemortem disposition
  • Condemn ?????????????????? foot rot ???????????
    generalized (systemic) condition
  • Suspect ??? foot rot ????????????????????????????
    ?? ??????????? condemn ??????????? postmortem

necrobacillosis
78
Caseous Lymphadenitis (CLA)
  • ?????????, cachexia, debilitation.
  • Enlargement (suppuration) ??? superficial lymph
    node
  • ????????????????????? pneumonia
    ??????????????????????
  • ???

79
Antemortem disposition
  • Condemn ????? CLA ??????????????????? systemic
  • Suspect ?????????????????????? CLA ????????
    (????????????????) ???????? systemic

CLA
80
CLA
81
Carcass ??? ?????????????????? extensive ????? condemn ?????????????????????????? ??? trim ??? passed
thin carcass ???????????????????? compartment ????? ???????????? ??????????????????????????? 1 compartment ???? condemn
well nourished carcass ????????????????????????????? ??? trim ??? passed
CLA
82
Actinobacillosis and Actinomycosis ("Acti")
  • Actinobacillosis ????????????????????? soft
    tissues ???????????????
  • ??? Actinobacillus lignieresii
  • ??????????? Granulomas ??? cervical lymph nodes,
    ?????????? ??? ????????????????????

83
  • Actinomycosis ?????????????????? Actinomyces
    bovis
  • ???? granulomas ???????????????????? mandible
    ???? maxilla ??? ?? ??????
  • ?????????????????????????? soft tissue ????

acti
84
???????????????????????? soft tissue
(???????????)
acti
85
???? hard tissue ??????????? ????? draining
fistulous tracts
acti
86
Draining fistulous tract ????????????????
acti
87
????????????
acti
88
Cachexia
acti
89
Antemortem disposition
  • Condemn ??????????????????????????? antemortem
    ???? actinobacillosis ???? actibnomycosis
  • Suspect ???????? ??????? actinobacillosis ????
    actinomycosis ??????????????????????????????????
    condemn

acti
90
??????????????????????????? "acti??? antemortem
  • Abscessed teeth
  • ???????
  • ??? metastasis ??? squamous cell carcinoma
    ????????????????
  • Sialoadenitis, sialoliths, cysts
  • Neoplasms

acti
91
Sinusitis
acti
92
Food impact ?????????? (???????????????????)
acti
93
Tuberculosis
  • ??????
  • ?????????
  • Cachexia.
  • ???????
  • "hacking" cough ????????? (intermittent)
  • Superficial lymph nodes ??????????????

94
Antemortem disposition
  • Condemn ??? TB reactor ???? condemn ???
    antemortem
  • Suspect ????????????

TB
95
TB
96
TB
97
TB
98
Coccidioidal Granuloma
  • ???????????? antemortem
  • ?????????????? endemic ?? ?? ?????? ????
    ??????????????????????????????????????????????????
    ???
  • ??????????????????? tuberculosis

99
coccidioidol
100
Bruises and Injuries
  • Abrasions, wounds, ??? hematomas
  • ????????????????? Generalized (systemic)
    ???????????? septicemia, toxemia, /
    ?????????????????????

bruise
101
?????????????????? ???? downer ??????????????????
bruise
102
????? ?????????
bruise
103
Antemortem disposition
  • Condemn ???????? Bruised ????????????????????????
    ?? generalized (systemic)
  • Suspect ?????????????????????????????????????
    ??????????????????????????????? generalized
    (systemic)

bruise
104
  • Special Note downer ?????? ?????????????????????
    trauma ????????????????????????????
  • condemned, passed for immediate slaughter as
    suspects, ???? held ??????????????????

bruise
105
Emaciation
  • Poor condition, tight skin ???? wrinkled skin
  • ?????? ????????? (debilitation)
  • ?????? ??????? patchy
  • ????
  • ?????????????????? (Gauntness)
  • ??? (depression)

106
  • Special Note
  • Emaciation ???????????????????? postmortem
    ?????????????????????????? antemortem ???
  • cachexia ??????????????? antemortem
    ?????????????? wasting ?????????????

emaciation
107
emaciation
108
Antemortem disposition
  • Condemn ?????????????? ????????? emaciation
    ??????????????? postmortem ????????????? carcass
    ????? serous infiltration ????????????????????????
    ???????
  • Suspect ??????? primary clinical disorder
    ??????? cachexia ??????????????????? condemn
    ??????? antemortem

emaciation
109
Anasarca
  • ???????????????????
  • ????????????
  • ????????????????? depressed, lethargic
  • ????????

110
???????????????? brisket ???????
anarsarca
111
???????????? ?????????????????????? consistency
???????????????? ???????????????
anarsarca
112
(No Transcript)
113
Antemortem disposition
  • Condemn ???????????????????????????? advance
    ??????? extensive edema
  • Suspect ????????????????? antemortem ???????
    localized

anarsarca
114
Uremia
  • ???????????????????????????????????????? urinary
    tract ???? anxious expression ?????????,
    restlessness, tenesmus, ????????????????????????
  • ??????????????
  • ????????????????????????

115
???????????????????????????????????????????
urethral rupture
uremia
116
Antemortem disposition
  • Condemn ??????????????????????????????????????
    generalized (anasarca) ??????????????? cachexia
  • Suspect ???????????????????????????? condemn

uremia
117
Immaturity
  • ??????????????????????????????
  • ?????????????????????

118
Muscular incoodination
immaturity
119
Antemortem disposition
  • Condemn ???????????????????????????????????
    ??????????????????????????????
  • Suspect ????????????????????????????????
    immaturity ???? muscular incoordination
    ?????????????????????????????????
  • Special Note ??????????????????????
    ??????????????????????? ???? ?????????????????????
    ?????????????

immaturity
120
Skin Conditions
  • dermatitis
  • erythema
  • urticaria
  • photosensitization
  • Erythema
  • Burns
  • ???
  • Alopecia

121
Photosensitization
skin
122
Parasites ????????
skin
123
Ringworm
skin
124
Antemortem disposition
  • Condemn ????????????????????????????? cachexia
    ???? parasitism ???????? generalized disease
  • Suspect ?????????????????????????????????????????
    generalized disease ??????? primary skin lesion

skin
125
Anaplasmosis
  • Special Note Anaplasmosis ????????????????????
    antemortem ??????? anemia, debilitation, jaundice
    ??????????? ?????????????????????????????????
    enzootic ??????????

126
  • Icterus
  • Variable temperature
  • Debilitation
  • Listlessness
  • Polypnea

Anaplasma
127
Anemia, pale mucous membrane
Anaplasma
128
Antemortem disposition
  • Condemn ??????????????????????????? antemortem
  • Suspect ???????????? ???????????????

Anaplasma
129
Icterus
  • Yellowish discoloration ??? sclera
  • ????????????????????????????????? ???????
    (?????????????????????)

130
icterus
131
Antemortem disposition
  • Special Note ????? icterus ????????????????
    ???????? condemn ??? icterus ????? antermortem
    ???????????????? ???????????? ????????????????????
    ?????? ?????????????????????????
  • Condemn ?????????????? icteric ????
  • Suspect ???????????????????????????????????
    icterus ????????????? suspects

icterus
132
Papilloma
133
Cutaneous growth
papilloma
134
Antemortem disposition
  • Condemn ???????????????????????????? systemic
  • Suspect ??????????????????????????

papilloma
135
Epithelioma
  • Ocular squamous cell carcinoma ??? ?? ??????
    (cancer eye)
  • ??????????????????????????????? malignant
  • ???????????????? ?? ?????? ?????????? Hereford
    ?????????
  • Ocular neoplasia ??? suppuration

136
ocular neoplastic lesion
epithelioma
137
ocular neoplasia ???????????
epithelioma
138
ocular neoplasia ??? necrosis
epithelioma
139
ocular neoplasia ??? cachexia
epithelioma
140
???????
epithelioma
141
Antemortem disposition
  • Condemn ??????????????????? ???????????????????
    neoplastic ???????????????? ???????? ???????????
    ???? epithelioma ??????????? cachexia
  • Suspect ????? epithelioma ?????????????????
    condemnation ???????????????? antemortem ???????

epithelioma
142
Malignant Lymphoma
  • Bloat ????????? abomasal neoplasms
  • Debilitated cachetic condition

143
?????????????? superficial lymph node
Malignant lymphoma
144
Ocular protrusion
Malignant lymphoma
145
????????? retrobulbar neoplastic tissue
Malignant lymphoma
146
Antemortem disposition
  • Condemn ?????????????????????????????????????????
    ? antemortem
  • Suspect ???????? antemortem ??????????????????
    malignant lymphoma ??????????????? suspect

Malignant lymphoma
147
Melanoma
  • ??????????????????????????????????
  • ???????????????????? ???????? ?????????????
  • ?????????????????? perineum

148
melanoma
149
Antemortem disposition
  • Condemn ???????? condemnation ?????
    ??????????????????????????? malignant ???????
    antemortem
  • Suspect ??????????????????? melanoma ????????
    condemn ??? postmortem

melanoma
150
??????????????????????????? metabolic diseases
151
Hypomagnesemic Tetany (Grass Tetany)
  • ???????????????????????????????? bellowing,
    galloping in a blind and frenzied manner,
    falling, tetany, ??? paddling convulsions
  • onset ????????????????????? irritable, walk
    stiffly ????? hypersensitive ????????????????????

152
Antemortem disposition
  • Condemn ?????????????????????????????????????????
    ??? ???? condemn ??? antemortem
  • ???????????? ?? ?????? ???????????????????????????
    ????????? antemortem ???? condemn ??????????????

tetany
153
Transport Tetany
  • restlessness
  • ???????????????????????????
  • ????????????????????????? staggering
  • sternal recumbency
  • progressive paralysis ??????

tetany
154
Antemortem disposition
  • ????????????????????? hypomagnesemic tetany

tetany
155
Parturient Paresis(Milk Fever)
  • ?? ?????? ???????????? unsteady gait ????
  • collapse
  • sternal recumbency (??????????????????)
  • pupil ????
  • ???????????????????????????????????

Milk fever
156
Ketosis
  • ??? ??? aggressive
  • ???????????????????????? head pressing, circling,
    staggering, bellowing

157
Pregnancy Toxemia
  • Restlessness ??? incoordination
  • ??????? sternal recumbency ???????????

158
Downer Cows
  • ??????????? challenge ?????????
  • ??????????????????????????????????????????????????
    ???????????????????????????????????????????
  • ???????????????????? recover ??? metabolic
    problem ???? parturient paresis
    ????????????????????? ????????????????
    induced-peripheral nerve neuropathy ??? muscle
    trauma ?????????????????????????????????

159
???????????????????? downers ?????????????????????
?????????????????????????????????
  • Condemn ???????? antemortem.
  • Pass the animal ?????? immediate slaughter
    ??????? Suspect
  • Hold ?????????????????????????

downer
160
Antemortem disposition
  • Condemn downers ?????????????????????????????????
    ?????????????????? ????????????
    ?????????????????????????
  • Suspect downers ???????????????? (not required)
    ??????? condemn ????????? antemortem

downer
161
Malignant Hyperthermia, Transport Myopathy, Back
Muscle Necrosis
  • ????
  • ????????????? ?????????????
  • ??????????????????????
  • tachycardia ???????????
  • ??????? (?????????????? 1130 F) ??????
  • rigor mortis ???????????????????

162
Pseudorabies
  • Trembling, incoordination, convulsions ????????
  • ??????????????????????????
  • ?? ?????? ????????????????????????????????????????
    ?????????? ??????????? excitement, trembling, ???
    anxiety ?????? incoordination, convulsion,
    ???????????
  • Pruritus

163
Bovine Spongiform Encephalopathy (BSE)
  • ????????????????
  • ???????????????
  • incoordination, stumbling, ????????????????
  • ??????? body condition (???????????????????????)
    ??????????

164
Antemortem disposition
  • ????????????????????? hypomagnesemic tetany

BSE
165
Rabies
  • paralytic and furious
  • ??????????? alert ????????????????????????????????
    ???????
  • characteristic bellowing

166
Antemortem disposition
  • ????????????????????? hypomagnesemic tetany.
  • ?????????????????????????????????????? condemn
    ??????????????????????????????????????????????????
    ??????????????????????? 8 ?????

rabies
167
POISON
168
Arsanilic Acid Poisoning
  • ??????????????????????????????? ataxia
    ???????????????? tetraparesis

169
Lead Poisoning
  • ?? ?????? ????????????????????????????????????????
    ??? bellowing, circling, staggering, excitement,
    ataxia, twitching, ???????????????????????????????
    ??? ?????????? convulsions, seizures ??????.

170
Organochlorine (Chlorinated Hydrocarbons)
Poisoning
  • ????????????????????????????? hyperexcitability,
    muscle twitching, hypesthesia, ??? head tremors,
    progressing caudally ?????????? Tonic-clinic
    seizures ??????? collapse ????? lateral recumbency

171
Organophosphate (OP) Poisoning
  • hypersalivation, dyspnea, ????????????????????????
    ??
  • Central effects ??? apprehension, nervousness,
    ataxia, ??????????? convulsion

172
Salt Poisoning
  • ??? ?????? ????? aimless wandering, headpushing,
    circling, clonic-tonic seizures, opisthotonos,
    paddling, ??? coma
  • ????????????????????????????? ?? ?????? ???
    blindness, seizures, ??? partial paralysis

173
Antemortem disposition
  • Condemn

salt poisoning
174
(No Transcript)
175
(No Transcript)
176
(No Transcript)
177
(No Transcript)
178
(No Transcript)
179
(No Transcript)
180
(No Transcript)
181
(No Transcript)
182
(No Transcript)
183
(No Transcript)
184
(No Transcript)
185
(No Transcript)
Write a Comment
User Comments (0)
About PowerShow.com