Results 21 to 30 of about 15,944 (241)
This experiment was conducted to investigate the effects of different supplementation levels of palygorskite and probiotics complex (Pal-Pro) on laying performance, hatching performance, egg quality, plasma antioxidative status, and immune response of ...
Yuying Deng +6 more
doaj +1 more source
Sodium Chloride for Broiler Breeders
Two experiments, each of 224 days duration, were conducted with Cobb broiler breeders, 32 weeks of age, to determine their response to supplemental dietary sodium chloride levels ranging from .12 to .48% in a corn-soybean meal diet. Average hen-day egg production, daily feed intake, feed required per dozen eggs, and egg specific gravity were not ...
B L, Damron, H R, Wilson, R H, Harms
openaire +2 more sources
Two factorial completely randomized design trials 2×2 and 2×2×2 were conducted to evaluate the effect of a blend of essential oils and organic acids (BiacidTM) in broiler breeder diets at two levels, two dietary non-starch polysaccharides (NSPs) levels ...
Saeed Toosi +4 more
doaj +1 more source
The chicken embryo and its micro environment during egg storage and early incubation [PDF]
When egg storage periods are prolonged (>7 days), hatchability and chick quality declines. The reason for this decline has been investigated, but is still not completely understood.
Brand, H., van den +3 more
core +2 more sources
Water Usage of Broiler Breeders
Water usage of daily fed and skip-a-day-fed broiler pullets housed in cages was measured in two trials. Daily fed birds in both trials had free access to water. In Trial 1, skip-a-day-fed birds were restricted to 4 h water every day or only on feed days. In Trial 2, the skip-a-day-fed birds were water restricted 4 h either every day, only on feed days,
C D, Bennett, S, Leeson
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Gut capacity of broiler breeder hens
1. Broiler breeders are subjected to qualitative or quantitative feed restrictions to prevent obesity, which causes major health and welfare problems. Diluting their feed by adding inert or low nutrient, bulky materials can reduce obesity, but the capacity of the gut needs to be determined to apply this strategy successfully.
Nascimento, M. Q. +6 more
openaire +4 more sources
Measurement of Efficiency Levels in Open House System Broiler Breeders in Malang Regency, Indonesia
Broiler farming in Malang Regency, East Java, Indonesia, has experienced rapid growth, significantly contributing to the regional economy. In this region, the open cage system is among the broiler cage systems that are commonly used.
Stepanus Pakage +18 more
doaj +1 more source
The research dealt with the study of the productive and economic performance of broiler farms in Diyala Governorate - Iraq for the 2020 production season, through a questionnaire conducted for a group of broiler breeders, whose number was (35) breeders ...
Amna Abd Elah Hamdoun Ali
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Present study evaluated carcass and meat quality attributes of broilers, broiler breeders and Aseel chickens. Sixty birds from each chicken genotype (broiler, broiler breeder and Aseel chickens; five-wk-old broilers and 60-wk-old Aseel chickens and ...
U Khan +8 more
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Research Progress in Nutritional Requirements and Feed for Yellow-feathered Broiler Breeders
In order to promote the efficient and healthy development of yellow-feathered broiler breeders, it is very important to solve the existing problems such as dietary waste, environmental pollution and low reproductive efficiency.
Sheng ZHANG, Shouqun JIANG
doaj +1 more source

