Results 31 to 40 of about 818,236 (379)

Effect of high concentrations of dietary vitamin D3 on pullet and laying hen performance, skeleton health, eggshell quality, and yolk vitamin D3 content when fed to W36 laying hens from day of hatch until 68 wk of age

open access: yesPoultry Science, 2019
The objective of this experiment was to investigate the effects of various dietary concentrations of vitamin D3 (D3) on pullet and laying hen performance, eggshell quality, bone health, and yolk D3 content from day of hatch until 68 wk of age. Initially,
J. Wen, K. Livingston, M. Persia
semanticscholar   +1 more source

Fluorosis in the Laying Hen

open access: yesPoultry Science, 1984
One hundred fifty Single Comb White Leghorn hens of two strains previously selected for either high eggshell strength (HES strain) or low eggshell strength (LES strain) were treated for 8 weeks with sodium fluoride added to a practical-type corn-soybean meal basal diet at 0, 300, 600, 900, or 1200 ppm.
B, Van Toledo, G F, Combs
openaire   +2 more sources

Stocking Density Affects Stress and Anxious Behavior in the Laying Hen Chick During Rearing

open access: yesAnimals, 2019
Simple Summary ‘Crowding’, keeping too many birds per m2, is one of the largest welfare concerns in the poultry industry. It is therefore worrisome that there is a gap in research investigating the effects of high stocking densities during the rearing ...
Kaya von Eugen   +3 more
semanticscholar   +1 more source

Effect of High Moisture Ear Corn and High Moisture Shelled Corn Feeds on Laying Hen Performance

open access: yesThe Journal of Poultry Science, 2016
The aim of the study was to test the effect of high moisture ear corn (HMEC) and high moisture shelled corn (HMSC) feeds on laying hen performance. A total of 108 Rhode Island Red laying hens were divided by body weight and performance into 12 blocks (9
Kyoko Kunishige, Yoko Koda, Satoshi Hara
doaj   +1 more source

Management of Laying Hen Farms in France Infected by Salmonella spp.: Comparison of Three Strategies

open access: yesAgriculture, 2023
The presence of Salmonella spp. on laying hen farms turns out to be a major problem for public health reasons, mainly related to foodborne illnesses that may arise due to ingestion of contaminated eggs. When Salmonella spp.
Valentina Terio   +10 more
doaj   +1 more source

The Analysis of Production Costs of Laying Hen Farms Using Semi Self-Mixing and Total Self-Mixing Feeds in Blitar Regency, East Java

open access: yesTropical Animal Science Journal, 2020
Feed plays an important role in determining the success of livestock businesses and also as a significant cost factor. Feed contributes 60%-80% of the total production costs.
R. Afandi, B. Hartono, I. Djunaidi
doaj   +1 more source

Laying hen production and welfare in enriched colony cages at different stocking densities.

open access: yesPoultry Science, 2019
Many laying hen companies in the United States are pledging to move away from intensive conventional cages to extensive housing systems. Enriched colony cages (ECC) are a practical alternative to conventional cage systems.
S. Weimer   +4 more
semanticscholar   +1 more source

SISTEM KONTROL PAKAN AYAM OTOMATIS BERBASIS IOT [PDF]

open access: yes, 2023
One of the cages that are developing in Indonesia, one of which is PT Jatinum Indah Agri, is a laying hen house where in one cage there are approximately 2,000 laying hens.
Syahputro, Dhiemas Ristiant
core  

Effects of adding sodium compounds to corn-rape seed meal type diet on production performance of laying hens

open access: yes浙江大学学报. 农业与生命科学版, 2001
Adding 0.3% sodium sulphate or 0.3% sodium bicarbonate to corn-rape seed meal type diet with low levels of sulphur-containing amino acid and lysine for ISA brown laying hens, egg laying rate, egg weight and feed efficiency increased, profit per hen also ...
YIN Zhao-zheng   +2 more
doaj   +1 more source

Potensi Dedak Padi yang Difermentasi dengan Enzim Fitase dalam Pakan Basal Terhadap Kolesterol Total Darah Ayam Petelur

open access: yesJournal of Basic Medical Veterinary, 2021
This study aimed to evaluate the potential of rice bran fermented by the enzyme phytase in basal feed to the total blood cholesterol level of laying hen.
Yulia Nurfitri   +5 more
doaj   +1 more source

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