Week 9
Sheep |
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Replacement Ewes and Growing Lambs
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Replacement Ewes
- Possible to breed ewes to lamb at 1 year of age
- Requires that they reach target weight of 65% mature weight at breeding
- Nutritional requirements must account for fetal as well as normal
body growth during gestation and lactation
Growing Lambs
Daily Nutrient Requirements - Young Rapid Growth Potential
Body
wt (lb) |
ADG
(lb) |
Intake
(lb) |
TDN
(lb) |
CP
(lb) |
Ca
(gm) |
P
(gm) |
Vit A
(IU) |
Vit E
(IU) |
44 |
.66 |
2.6 |
2.0 |
.45 |
6.5 |
2.9 |
940 |
24 |
66 |
.72 |
3.1 |
2.4 |
.48 |
7.2 |
3.4 |
1410 |
21 |
88 |
.88 |
3.3 |
2.5 |
.51 |
8.6 |
4.3 |
1880 |
22 |
110 |
.94 |
3.7 |
2.8 |
.53 |
9.4 |
4.8 |
2350 |
25 |
132 |
.77 |
3.7 |
2.8 |
.53 |
8.2 |
4.5 |
2820 |
25 |
Nutrient Concentration of Lamb Diets
Body
Wt (lb) |
Daily Gain (lb)
|
TDN (%) |
CP (%) |
Ca (%) |
P (%) |
Conc (%) |
Roug (%) |
22 |
.55 |
80 |
26.2 |
.82 |
.38 |
90 |
10 |
44 |
.66 |
78 |
16.9 |
.54 |
.24 |
85 |
15 |
66 |
.72 |
78 |
15.1 |
.51 |
.24 |
85 |
15 |
88-132 |
.88 |
78 |
14.5 |
.55 |
.28 |
85 |
15 |
Creep Feeding Lambs
- Definition
- Supplying feed to suckling lambs
- Why?
- Increased Gain
- Lambs Use Feed More Efficiently
- Lambs Marketed at Younger Age
Expected Feed Conversion
Weaning Date
Weight,
lb |
6-10 weeks |
5-7 months |
40-60 |
3.5 |
|
60-80 |
4.75 |
5.0 |
80-100 |
5.75 |
6.5 |
100-120 |
8.0 |
8.5 |
120+ |
9.0 |
10.0 |
Creep Feeding Considerations
- Need to Provide Palatable Feeds
- Health Management
- Vaccinations for Enterotoxemia(Type C&D)
- Coccidiosis---Bovatec
- Urinary Calculi
- Prevent Acidosis
Voluntary Intake of Common Feeds by Lambs at 2-week Intervals from Birth
to 10 Weeks of Age
Lamb Consumption in lb. by Two-Week Periods
Feed |
0-2 |
2-4 |
4-6 |
6-8 |
8-10 |
Oats |
.12 |
.29 |
1.46 |
1.65 |
1.25 |
Corn |
.11 |
.30 |
2.77 |
7.83 |
8.02 |
Alfalfa Hay |
.23 |
.41 |
1.43 |
1.12 |
1.05 |
Alfalfa Pellets
|
0 |
.14 |
1.35 |
4.06 |
1.98 |
Bran |
.27 |
.55 |
2.01 |
3.17 |
1.08 |
Soybean Meal |
.81 |
1.70 |
6.94 |
11.01 |
10.63 |
Sweet Feed |
.27 |
.75 |
3.54 |
4.08 |
2.19 |
Daily Nutrient Requirements
Lamb Finishing 4-7 Months Old
Wt
(lb) |
Gain (lb) |
Intake (lb) |
TDN (lb) |
CP (lb) |
Ca (gm) |
P (gm) |
Vit A (IU) |
Vit E (IU) |
66 |
.65 |
2.9 |
2.1 |
.42 |
6.6 |
3.2 |
1410 |
20 |
88 |
.60 |
3.5 |
2.7 |
.41 |
6.6 |
3.3 |
1880 |
24 |
110 |
.45 |
3.5 |
2.7 |
.35 |
5.6 |
3.0 |
2350 |
24 |
Nutrient Concentration of Lamb Diets During 4-6 Months
Body
Wt (Lb) |
Daily
Gain (lb) |
TDN (%) |
CP (%) |
Ca (%)
|
P (%)
|
Conc
(%) |
Roug
(%) |
66 |
.65 |
72 |
14.7 |
.51 |
.24 |
60 |
40 |
88 |
.60 |
76 |
11.6 |
.42 |
.21 |
75 |
25 |
110+ |
.45 |
77 |
10 |
.35 |
19 |
80 |
20 |
Lamb Feeding
- Methods of Lamb Feeding
- Self Feeding
- Hand Feeding
- Types of Rations for Self Feeding
- Concentrates plus Hay
- Complete Ground Mixed Ration
- Pelleted Ration
- Health Concerns
- Enterotoxemia
- Urinary Calculi
- Coccidiosis
- PEM
- Goal to Keep Death Loss at Minimum
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