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Pregnancy is central to care and management of animals. Healthy Pregnant Animals means a Healthy and Prosperous Farm. Pregnant animals need special care for example they need suitable ration to reduce the possibility of diseases like milk fever and ketosis at the time of calving and also to ensure adequate milk production. There are other aspects which need to be cared about pregnant animals which we discuss in this presentation.
Beef cattle are cattle raised for meat production (as distinguished from dairy cattle, used for milk production). The meat of adult cattle is known as beef. In beef production there are three main stages: cow-calf operations, backgrounding, and feedlot operations.
Hello My name is Altho Njovu, a student on BSc. Agriculture General at Sokoine University of Agriculture. I have been finding it harder to find online relevant materials for studying and doing different academic assignments so after facing this problem i decided to be uploading different materials concerning my field so as for anyone facing the same problem as me can benefit from my uploads and solve their challenges. Thank you!!!
Care and Management of Pregnant Cows and EwesPervaiz Dar
Pregnancy is central to care and management of animals. Healthy Pregnant Animals means a Healthy and Prosperous Farm. Pregnant animals need special care for example they need suitable ration to reduce the possibility of diseases like milk fever and ketosis at the time of calving and also to ensure adequate milk production. There are other aspects which need to be cared about pregnant animals which we discuss in this presentation.
Beef cattle are cattle raised for meat production (as distinguished from dairy cattle, used for milk production). The meat of adult cattle is known as beef. In beef production there are three main stages: cow-calf operations, backgrounding, and feedlot operations.
Hello My name is Altho Njovu, a student on BSc. Agriculture General at Sokoine University of Agriculture. I have been finding it harder to find online relevant materials for studying and doing different academic assignments so after facing this problem i decided to be uploading different materials concerning my field so as for anyone facing the same problem as me can benefit from my uploads and solve their challenges. Thank you!!!
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Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
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4. Cow
• Adult female cattle which had given
birth to a calf or more before.
Bull
• Adult uncastrated male cattle at any
age used for breeding
Calf
• Newly born male or female cattle
from birth till one year of age
6. Bull
calf
• A male calf under one year
Yearling
bull
• Uncastrated bull between one and two
years
Heifer
calf
• A female calf under one year.
Yearling
heifer
• Female calf between one and two years of age
Heifer
• A female (cow ) of over one year ;which has not calved.
After calving she becomes a cow.
7. Baby
calves
• Calves usually of only a week or so old
;from dairy herds. The majority are bull
calves .
Slink
calves
• Calves which have been aborted or those
which are found in the uterus at slaughter
.The flesh is unfit for human consumption.
Down
calves
• A female cattle nearly to give birth She also
called Springer
8. STORE
CATTLE
• Young male or female cattle which
are to be fed for the butcher later
on.
FATTENING
CATTLE
• These cattle which nearly ready for
the butcher (slaughter)
BULLER
• A cow apparently always in
oestrus i.e she behaves like a bull
(mount other animals)
9. BULLOCK
OR STEER
• Castrated male ox of over two years.
STRICK
• A heifer or a young bullock from about 15
months to two years .
FREE-
MARTIN
• When twin calves of different sexes are born ,the
bull calf is usually sexually normal, but the
heifer calf is sterile with abnormal external
genitalia
10. Life cycle of Animals
Animal
must be
born
Animal
must be
grow
Animal
must be
reproduce
11. Breeding Cycle of a cow
Maturity
Mating
of
oesterus
cow
Pregnancy
Calving
Weaning
of calf
Puberty
12. Characters of reproduction in dairy cattle
Breeding season :
cow at 8 month
Buffalo cow at 1-2 years
Age of maturity:
Cow at 1.3 -1.5 years
Bull at more than 2 years
Age of puberty: Age of 1st Oestrus
cow is polyoestrous
Bull at 1-2 years
13. Oestrus Metoestrus Dioestrus
Oestrous Cycle
Definition
behavioral changes and become receptive to male
It is a period at which female shows physiological,
Stages of estrus
Proestrus
previous cycle
last 2 days of (Heat)
12 -24 hours 2-6 days 17-19 days
Total oestrus period about 21days
14. Ovulation
12 hours after the end of oestrus period
Time of service
In the middle of standing heat to the end of it
Also 6 hours following heat
15. Behavioural signs during oestrus
• 1-increase motor activity ( Excitability & restlessness)
• 2-decrease food intake
• 3-Bellowing and switch the tail to one side
• 4-Mounting to other cows
• 5-standing heat (cow stand to be mounted by
other cow or bull)
17. 6-Signs that the cow has been mounted
a-dirty rump and flank
b-ruffled hair on tail head and patches of hair
are removed
c-streaks of saliva on the back
18. Physiological changes during oestrus
1-drop in milk production
2-clear,glissening mucous discharge from vagina
3-reddness and swelling of vulva
19. 1.Visual observation of Behavioural signs
2. Using of teaser bull
3. Using of androgenized female
4.Training dogs
5.Tail and rump painting of female
6. Using Automatic Devices
Management during breeding season
Detection of the oestrus cow
20. 2-selection of good quality bull :
Bull is very important as it said a sire is half the
herd as it used for fertilization of the whole herd cows
either natural or by artificial insemination
21.
22. Management of breeding bull:
1-the bull should be of typical breed .
2-give the bull regular exercise to keep legs in good conditio
4- proper feeding to maintain the health
5-should be docile and free from vices
6-don't use bull in breeding till reach maturity over 2 years
3-better libido and good quality
23. 3-Management of pregnant cow
Gestation period about 280-290 days(9 M +15 days )
Pregnancy is result of successful mating
Diagnosis of pregnancy :1- clinical diagnosis
(a) Behavioral signs
1. cessation of eosterus
2.Chang in temperament from vicious to docile
3.Marked improve of body condition
4.enlarged mammary gland specially at the end
5. Quickning : give the cow cold water at morning and examine the
movement of life fetus in right flunk (uterus )
24. - to detect corpus lutum on ovary
6. with approach parturition
–increase size of abdomen and udder
waxy secretion( bead like) in udder at last days
-swelling of vulva –relaxation Of pelvic legament
(b) Rectal examination
– thrilling of uterine artery
–movement of fetus
(c )vaginal examination
for detection of closure of cervical canal by cervical plug
25. 2-Laboratory diagnosis :
a-presence of Ig in serum indicate pregnancy
-at 10 days :76 %success
- 90 days :93%success
b-Barium chloride test :
Turbid urine non pregnant
- 4-5 drops Ba cl +4-5 drops urine
Clear urine pregnant
C- oxidation reduction test
3ml urine +0.6 Na benzoate permanent turbidity indicate pregnancy
-180 days :100% success
26. 2)Good quality ration and plentyfull clean water
Management of pregnant cow :
1) Mild exercise or work
3)Avoid –narrow doors
-crowding during movement
-slopping
4) Take care to prevent injuries by mounting cows
or bulls
5)Calculate the expected day of calving and isolate
the cow in calving box 3-5 days before
parturition.
27. gradually increase .in high producing cow give 2 kg.
6)Steaming up
From 6 M of pregnancy ,cow should be given1/2 to1 kg
extra concentrate mixture
Function of steam up
1.Development of fetus
2.Build up body reserve for coming lactation .
3-Increase milk yield and fat % of milk
4-Lengthen of lactation period
low plane of nutrition high plane of nutrition
-reduce total lactation
-weak and thin new born
-increase rate of death between calves
-fattening of cow
-narrow pelvic
-Dystocia
28. 7)Drying off udder
The cow dried off 40-60 days before calving000
Function of drying off:
1-Rest of milk secretory organ
2-Allow use of nutrient in fetus development
3-permit built up of reserve of body flesh before calving
Methods of drying off
1.Incomplet milking:
Don’t extract all milk from udder 2 times daily after decrease milk to few
litter stop milking
2.Intermittent milking :
milking the cow once a day for awhile then once in every next day
finally milking will stopped
3.Complete cessation of milking:
More safe method in high milking cow increase pressure on secretory organ
so stop secretion of milk and milk reabsorbed
29. 8)When the cow approach parturition :
. isolate cow in calving box (should be clean ,well
ventilated and well bedded )
. Avoid noise and disturbance
. Manipulation of udder and teat to open teat orifice before
suckling
30.
31.
32.
33.
34.
35. Parturition
1)Preparatory stage
begin by active contraction of uterine muscle and dilatation of cervix
Last for 1-4 hr and end ends with rupture of fetal membrane
Cow tend to standup and lie down showing signs of straining
36.
37. 2)Expulsive stage:
a-expulsion of fetus
Begin with rupture of fetal membranes and end with expulsion of fetus
Last for ½ -4 hrs ,most cows are lying for final delivery
38.
39.
40.
41.
42.
43.
44.
45. b-Expulsion of placenta
Placenta normally leave female uterus within 2-4 hrs
If not expelled after 8-12 hrs manual interfere should be
Done
In general at difficult birth manual interference should be
done by veterinarian
46.
47.
48. 4-Management of cow after parturition (calving)
1.Give the cow clean warm water to compensate the fluids losses
in calving
2.Give the cow easily digested food and laxitive (bran mash)
3.Increase amount of concentrate gradually till full dosage after 3days
4.Washing external gentalia ,buttocks and around udder with warm water
+antiseptic ( kMno4)
5.Cow should be kept under observation for 24 hrs after birth to avoid
milk fever
6.Squeezing first milk from the udder before suckling to get red any
m.o in teat
49. 7.Keep the cow with the calf in calving pen for few days to
enhance maternal filial bond
51. 5) Management of calf:
A) Caring of calf by the dame
1. Cow stand immediately after birth, it take care to avoid
to avoid stepping of the calf
2. The dame make vigorous licking to the calf (head, neck,
back, abdomen tail and premiums
52.
53.
54.
55. Function of licking
1-drying off the calf
2-removal of the mucous and fetal fluid from nostrils to
stimulate breathing
3-massage to cutaneous lymph and blood circulation
4-stimulate first stand of the calf
5-stimulate first urination and defecation
6-labelling of the calf and formation of cow calf bond
56. 3. The cow seems to help calf to stand and find the teat
by positioning her body to help calf to take colostrums
57.
58.
59.
60. B) If the cow is exhausted during calving ,still recumbent
and
can not care the calf
61. 1. Dry the calf with dry cloth or straw
2. Remove the mucous and fluids from mouth and nostrils
3. IF the calf not breathes, make artificial respiration (compressing and
relaxing chest wall by the hand)
4. Normally calf stand after 15-45 Min if not, should be helped to stand
62.
63. 5. Cutting of umbilical cord 6-8 cm from umbilicus then tied
and touch with tincture iodine to reduce risk of infection
64. 6. be sure that calf take first colostrums 48-72 hrs after
birth(18%protien (IgG))
65.
66. 7. Calf should be void muconium within 4-6 hrs after first
colostrums
8. Light bedding for the calf (straw bedding)
67. C) Other management practice of calf
1.After removal of the calf from the
mother it should be kept in individual
pen for 3-4 weeks to allow more
attension then at one month joined
with the group
71. 3. Dehorning at 3 weeks of life
4. Castration at 8-10 weeks old
5. Amputation of extra nummarary teat (extra teat)
at1-2 month old
6. Vaccination against FMD, Black leg, hemorrhagic
septicemia
72.
73. D) Feeding of calf after taking colostrums
1-Natural feeding (Nurse Cow system)
Allow to the to nurse its mother directly
Regime:
amount of
milk
Age
whole udder0-2 weeks
half of udder3W- 2 M
one quarter2M-4 M (weaning)
74.
75.
76.
77.
78. Advantages of natural suckling
1.prevent development of abnormal behaviour
2.More healthy and large size calf
79. Disadvantages of natural suckling
1. Milk yield of the cow can not be judged
2.Amount of milk taken by the calf can not be controlled
80. .3.Young calf more subjected to diarrhea
4. If the calf dies cow refuse milking
81. 2-Artificial feeding
a. Hand feeding
Take calf at 4 days from the dame; teach calf to drink
whole milk From pail after wetting your fingers put
in calf mouth then gently Force its head to pail until nose
touch milk calf begin to suck milk
84. N.B: the amount of milk offered to calf should be not more than
8% of body weight
Skimmed milk
Given to healthy calf at 2 weeks Chang 1:
1 whole milk to skimmed gradually
milk Until complete change
Hay
given to calf raised on skimmed milk at 6 M
3-5 pound hay
At 4 months calf can graze on pasture
85. calf grow and reach to puberty then maturity and
can used in breeding and soon