The Niacin Requirement of Young Chickens

Childs, G. R.; Carrick, C. W.; Hauge, S. M.

doi:10.3382/ps.0310551

Cited by 23 publications

(3 citation statements)

References 6 publications

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“…Niacin or nicotinic acid is a precursor required for the biosynthesis of the coenzymes nicotinamide adenine dinucleotide and nicotinamide adenine dinucleotide phosphate, and thus it plays a fundamental role in metabolism [ 139 ]. Niacin deficiency is linked to reductions in the growth rate and feather growth, and an increased incidence of leg problems in meat-type birds [ 140 , 141 ], as well as poor eggshell quality, low egg production, and decreased hatchability in egg-type birds [ 142 ]. The addition of 60 mg niacin to a corn-soybean meal diet is recommended for improving body weight gains, the meat yield, and meat quality in broiler chickens [ 143 ].…”

Section: Introductionmentioning

confidence: 99%

Nutritional requirements of meat-type and egg-type ducks: what do we know?

Fouad

Ruan²,

Wang³

et al. 2018

J Animal Sci Biotechnol

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The demand for duck meat, duck eggs, and associated products is increasing each year. Classic and modern selection programs have been applied to enhance the economic traits of ducks to satisfy the requirements of consumers and enhance the incomes of producers. The nutritional requirements of unselected ducks may not be adequate, however, to fulfill the potential productivity performance of modern birds, including both meat-type and egg-type ducks. In particular, an imbalanced diet is associated with low productive performance and signs of nutritional deficiency (if insufficient nutrients are supplied), as well as with high feed costs and manure problems that reflect flock health and welfare (if excessive nutrients are supplied). Thus, the main aim of this review is to summarize the results of previous studies that estimated the nutrient requirements of meat-type and egg-type ducks in order to evaluate current knowledge and to identify further issues that need to be addressed. In addition, the results obtained in previous studies are compared in order to understand how to lower commercial feed costs, fulfill the genetic potential of selected ducks, protect the environment from pollution, and satisfy the welfare and health needs of ducks.

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Section: Introductionmentioning

confidence: 99%

Nutritional requirements of meat-type and egg-type ducks: what do we know?

Fouad

Ruan²,

Wang³

et al. 2018

J Animal Sci Biotechnol

View full text Add to dashboard Cite

show abstract

“…per gram of corn as used in this experiment fall in the range of the levels (14.3 to 29.5 u,g. per 100 grams of niacin (Childs et al, 1952). These workers conducted a study of the niacin content of nine corn hybrids grown at five experiment stations for three different years.…”

Section: Resultsmentioning

confidence: 99%

A Study of the Niacin Requirement of the Laying Hen

Adams

Carrick

1967

Poultry Science

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“…These ranges indicate the interrelation between tryptophan and niacin, which has been amply demonstrated by optimal growth rates occurring atO.147o tryptophan in the presencc of 28-33 mg of niacin per kg of ration as well as at O.24Vo tryptophan with I7 .6-19.8 mg of niacin per kg of feed (Patterson et al 1956). Tryptophan is known to sparc niacin to some extent but may not compensate entirely for a partial deficiency of niacin (Childs et al 1952), whereas cxccss niacin does not compcnsate for a tryptophan deficiency (Fisher et al" 1954).…”

Section: Introductionmentioning

confidence: 99%