In the feeding process of laying hens, in order to increase the economic benefit of the chicken farmer, reduce the breeding cost and maintain the continuous high yield of the chickens, after the egg production peak is over), the necessary phasing out of the low production laying hens can be made from the following aspects: distinguish:
1. Identify high-yielding chickens from chicken cocks: red, large, soft, delicate, with temperature, one side down, normal red; low-yielding, even non-laying chickens: chicken cocks do not fall, white spots or white frost, Crown thin; if it is Marek's disease, chicken cocks atrophy, no temperature, crown cool; if the purple crown, black crown chicken to be eliminated in time.
2, from the leg mouth to identify (yellow leg, yellow mouth before laying eggs) high-yield chicken: the more faded the higher the egg production rate, 250-300 days of age is still yellow legs, yellow mouth is low-yielding chicken, or even for Not laying hens. The chicken legs and mouth that produce white shell eggs are yellow; the chicken legs and mouth that produce pink shell eggs are brownish yellow.
3. Identify high-yielding chickens from feathers: The feathers are earthy, unkempt, unsmooth, and unsmooth, and the feathers on the neck, back, and chest are lost or shed. Low-producing chicken: plump and regular combing.
4, from the anus to identify the relaxation of the anal sphincter muscle, elastic contraction around the flexor muscle, there is a sense of moisture, and immediately contraction, out of viscous secretions, such chickens as high-yielding chickens.
5. When feeding is discriminated on the basis of eating conditions, high-yield chickens, such as hungry tigers, devour, have a strong appetite, and do not look up when they eat. Low-producing chickens, picky eaters, and even feed into a pile of feed does not eat.
6. Identify high-yield chicken droppings from the feces and shape them into small white heads. Low-producing chickens and non-laying hens have slender feces and dry feces.
7. Identify high-yielding chickens from the pubic bones (3) to 4 in the pubic bones. Low-producing chicken pubic bone 2 refers to even 1 finger.
8, identify high-yielding chicken from the abdomen, abdomen wide. The low-yielding chicken has a narrow, thin, thin sternum with a sharp blade.
9. Distinguish high-yielding chickens from chicken roars: The calls are loud and neat. Low-producing chickens: Chickens that do not produce eggs for a long time are not called and found to be vulnerable to “fried groupsâ€.
10, the chicken thief's identification to deal with stealing chickens eat eggs, no isolated conditions in time to eliminate, for the non-laying chickens can also use 7 days notation, the 8th day as early as 8 o'clock in the use of tactics. The above 10 recommendations are generally in line with 2 or more may be low-laying layer.
1. Identify high-yielding chickens from chicken cocks: red, large, soft, delicate, with temperature, one side down, normal red; low-yielding, even non-laying chickens: chicken cocks do not fall, white spots or white frost, Crown thin; if it is Marek's disease, chicken cocks atrophy, no temperature, crown cool; if the purple crown, black crown chicken to be eliminated in time.
2, from the leg mouth to identify (yellow leg, yellow mouth before laying eggs) high-yield chicken: the more faded the higher the egg production rate, 250-300 days of age is still yellow legs, yellow mouth is low-yielding chicken, or even for Not laying hens. The chicken legs and mouth that produce white shell eggs are yellow; the chicken legs and mouth that produce pink shell eggs are brownish yellow.
3. Identify high-yielding chickens from feathers: The feathers are earthy, unkempt, unsmooth, and unsmooth, and the feathers on the neck, back, and chest are lost or shed. Low-producing chicken: plump and regular combing.
4, from the anus to identify the relaxation of the anal sphincter muscle, elastic contraction around the flexor muscle, there is a sense of moisture, and immediately contraction, out of viscous secretions, such chickens as high-yielding chickens.
5. When feeding is discriminated on the basis of eating conditions, high-yield chickens, such as hungry tigers, devour, have a strong appetite, and do not look up when they eat. Low-producing chickens, picky eaters, and even feed into a pile of feed does not eat.
6. Identify high-yield chicken droppings from the feces and shape them into small white heads. Low-producing chickens and non-laying hens have slender feces and dry feces.
7. Identify high-yielding chickens from the pubic bones (3) to 4 in the pubic bones. Low-producing chicken pubic bone 2 refers to even 1 finger.
8, identify high-yielding chicken from the abdomen, abdomen wide. The low-yielding chicken has a narrow, thin, thin sternum with a sharp blade.
9. Distinguish high-yielding chickens from chicken roars: The calls are loud and neat. Low-producing chickens: Chickens that do not produce eggs for a long time are not called and found to be vulnerable to “fried groupsâ€.
10, the chicken thief's identification to deal with stealing chickens eat eggs, no isolated conditions in time to eliminate, for the non-laying chickens can also use 7 days notation, the 8th day as early as 8 o'clock in the use of tactics. The above 10 recommendations are generally in line with 2 or more may be low-laying layer.
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