Lucerne animal fodder Aamir Ali
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LUCERNE (Animal fodder)AAMIR ALI Roll no.12
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Introduction Scientific name:Medicago sativa Common name: In Arab known as alfalfa
In Europe called as Lucerne
Belongs to Leguminosae family Origin: Introduced from the Mediterranean region It is called as
“Queen of forage crops” WHILE“King of fodder crops” is berseem
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Lucerne
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General Characteristics Perennial forage Nitrogen-fixer Highly palatable Digestible and nutritious Lucerne probably the world’s best fodder Extremely drought tolerant Fast growing (can be cut after 30 days of 1st cutting) Frost tolerant Susceptible to a range of pests and diseases Rabi fodder crop(sown in winter, October to
November)
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Morphological description:
Long softly-hairy/serrated leaves (saw tooth) Leafy branches Leaves dull Leaves are trifoliate, with obovate
leaflets, 10-45 mm long and 3-10 mm broad.
Petiole up to 2 cm long Stipules minute
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Trifoliate
Petiole
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Plants – An erect 2-3 ft tall Multi-branched perennial plant with a very deep
tap root Plants develop a woody crown at ground level Stems rising from the crown to around 1 m
height.
Flowers – Flower blue but can purple or yellow Flowers are a typical pea shape 12 – 15 mm long Develop in dense clusters of 20 – 30 flowers at
the tips of the branches
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Distribution:7
Alfalfa originated from the Mediterranean basin and southwest Asia (Iran, Afghanistan) and was one of the first forage crops to be domesticated
Due to its variable genetic base, alfalfa has good adaptability to different environmental conditions.
Optimal growth conditions are 25°C average day-temperatures and 600 to 1200 mm annual rainfall.
It grows best on deep, well-drained, sandy to fertile loamy soils, with 6.5-7.5 soil pH.
Deep loamy soils rich in phosphorus, calcium and potash are very good for Lucerne crop.
It tolerates short spell of drought.
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Alfalfa has a deep root that
reaches down to 4 m, but can
reach 7-9 m in well drained
soils..
Hence this plant tends to bring
up the minerals from the soil that is not
usually available at the surface.
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ALFALFA
Special quality of the roots
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Sowing Sowing the seeds at proper time, rate and method
increases the yield1. Time of sowing: The optimum time of sowing of Lucerne is from 1st
week , of October to middle of November However, middle of October is the best time for sowing
Lucerne.2. Seed rate: In case of broadcasting, 20-25 kg per hectare of seed
should be sown while for line sowing 12-15 kg per hectare is sufficient.3. Sowing method: Sowing of Lucerne can be done either by broadcast or
by line sowing.
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FlowerTrifoliate
Lucerne Field
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Varieties: Vernal (cultivars) used in past a variety of a plant developed from
a natural species and maintained under cultivation There are now more than 30 varieties of Lucerne available.
These varieties have a wide range of pest and disease resistances and growth patterns
Two types are used 1) Dormant (growth reduced in winter due to low temp/shorter days) 2) Non-dormant (grow through the winter, named as Winter active)
M. falcata a wild variety of alfalfa that naturally hybridizes with M. sativa to produce Sand Lucerne This species may bear either the purple flowers or yellow
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Yield: Perennial forage and lasts for many years In Pakistan, (total production) 3978601
t/144984 h (2010)NARC On average ,in six cuts per year,
Punjab 35-40t/h Sindh 15-20t/h NWFP 15-20t/h Balochistan 25-30t/h
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First cut after 3 month of sowing.(March)Later cuts after interval of 5-6 weeks.
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Top Producing Areas:
The world wide production was around 500+ million tonnes in 2010
Produced in Punjab,Balochistan US, Canada, Argentina, Australia, South africa and in Middle east Upper Midwestern states account for about;
50% production in US 10% Northeastern
40%in Western states
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(On DM basis)14
CP 19% DM 23-35%
Ca+ 1.3 g/Kg P+ 0.3g/Kg
CHO 11% TDN 65.8%
Ash 8% CF 29.6%
Fat 8.5% NDF < 42%
Minerals 8% Fiber 30%
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Effect of cut number & harvesting conditions:15
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Alfalfa hay
The high content of structural fiber in alfalfa hay fiber that is rapidly digested by rumen microbia is particularly valuable in ruminants because it enhances DM intake.
Alfalfa fiber helps to prevent acidosis due to its intrinsic buffering effect and to the stimulation of ruminative chewing and salivation which results in rumen buffering. Alfalfa hay may be finely chopped, or coarse with long fiber.
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Silage
Silage is a good conservation method even in harsh conditions. Since alfalfa has a low carbohydrate content it has to be supplemented with carbon sources, such as ground cereal grains like wheat or barley, and inoculated to start fermentation.
Alfalfa silages can be made using fresh alfalfa or pre-wilted alfalfa. The crop should be at 50-70 % moisture before ensiling to prevent nutrient leaching
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Nutritional Properties
With regards to the nutritional properties and information of Alfalfa this plant is rich in vitamins such as A, C, B1, B6, E and K
It is also rich in proteins, calcium, carotene, zinc, iron and potassium.
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The sun-dried hay of alfalfa (also known as Lucerne) has been found to be a source of vitamin D.
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Uses/applications: As a multi-purpose fodder;
As a high quality fodder Palatable fodder Lucerne meal is used for livestock and poultry
As an ornamental Windbreak Fuel-wood Biogas
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Health Benefits :
Called the "Queen of forages" in the USA,
alfalfa has an outstanding protein content and a well-
balanced amino acids profile for ruminants that
compares favourably with that of soybean.
Alfalfa yields more protein per unit area
than soybean.
Alfalfa provides higher amounts of minerals
(mainly calcium, but also magnesium, potassium,
sulfur, iron, cobalt, manganese, and zinc)
and vitamins (beta-carotene) than other
fodders.
Beta-carotene, a precursor of vitamin A, plays a major role in animal reproductive
performances and it is also important for vision, growth and skin health . The energy content of alfalfa, though slightly
lower than that of certain grasses, should not be underestimated
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Precautions/ Side Effects/ Warnings
Bloat: • Grazed or fresh alfalfa at vegetative or mid-bud stage
may cause bloat in sheep and cattle. This problem may be alleviated by restricting access to alfalfa or by feeding sheep and cattle before they come into the sward
Photosensitization: • Cases of photosensitization have been reported in
cattle and sheep. In male sheep, it can result in pizzle rot and enterotoxaemia.
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Side effects• Saponins• Phytoestrogens
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Cont….Saponins:• Saponin content in alfalfa forage may have adverse
haemolytic effects on livestock and reduce growth and egg-production in poultry. However, it also gives the plant resistance to pests
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Phytoestrogens: • Alfalfa contains phytoestrogens that are reported to
reduce conception rates in cattle and sheep fed alfalfa prior to mating. The estrogen content varies among genotypes, but may increase in leaves due to attacks of parasites and fungi that are often prevalent in the autumn.
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