Results 1 to 10 of about 887,796 (336)

Evaluating the antibiotic resistance pattern of Salmonella isolated from a number of laying poultry flocks in the northwest of the country during 2021 and investigating its relationship with the performance of the mentioned farms [PDF]

open access: yesĀsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2023
Infection with the Salmonella genus of bacteria causes chronic and acute diseases in poultry leading to significant economic losses to the poultry industry.
Zahra Mahdavi, Adel Feizi, younes anzabi
doaj   +1 more source

Genotype by environment interactions for egg number and egg weight of five dual-purpose chicken breeds in different zones of Oromia region in Ethiopia [PDF]

open access: yesActa Fytotechnica et Zootechnica, 2020
The African Chicken Genetic Gain (ACGG) project (https://africacgg.net/) aims at backyard poultry optimization by commercial dual-purpose breeds introduction into Africa.
Maud Allegonda Johanna de Kinderen
doaj   +1 more source

Validation of Prediction Equations of the Egg Characteristics in Laying Hens [PDF]

open access: yesPoultry Science Journal, 2022
Poultry researchers have used mathematical models to explain some laying bird responses. There are many equations of the egg characteristics, but their validity has not yet been confirmed.
Jhonatan Inca   +2 more
doaj   +1 more source

The egg productivity of quails for feeding different levels of dry post-alcohol bard in composition of feed [PDF]

open access: yesТехнологія виробництва і переробки продуктів тваринництва, 2020
Numerous studies in animal husbandry are aimed at substantiating the feasibility of using waste from technical industries in animal feeding. Recently, dry post-alcohol bard can be found in compound feed recipes.
Plyska A., Ibatullin I.
doaj   +1 more source

Bioceutical role of nano and organic selenium on certain reproductive value of laying hen during force molting [PDF]

open access: yesIraqi Journal of Veterinary Sciences, 2023
Nanotechnology has proposed many new effective forms of nutritional supplement ingredients due to their low toxicity and high bioavailability, among which are nano-selenium, due to their distinctive properties of small particles and increased surface ...
Mariam Q. Al-Fahady, Hadeel M. Hameed
doaj   +1 more source

Associations between forkhead box l2 expression and ovary development in laying hens [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2019
Make sure healthy ovary or follicle is critical for extending egg laying performance in poultry. Transcription factor forkhead box L2 (FOXL2) gene have key role in regulate development of ovary.
Shouping ZHANG   +5 more
doaj   +1 more source

Early Breeding Conditions Followed by Reduced Breeding Success Despite Timely Arrival in an Alpine Migratory Songbird

open access: yesFrontiers in Ecology and Evolution, 2021
Timing reproduction to coincide with optimal environmental conditions is key for many organisms living in seasonal habitats. Advance in the onset of spring is a particular challenge to migratory birds that must time their arrival without knowing the ...
Martha Maria Sander   +7 more
doaj   +1 more source

Soybean oil addition to wheat bran-based diet improves laying hens’ performance [PDF]

open access: yesVeterinary World, 2023
Background and Aim: Wheat bran (WB) is used extensively in animal feed. Despite its nutritional value, its use is limited because of its high-fiber content.
Mariana Novela   +10 more
doaj   +1 more source

Factors affecting space use by laying hens in a cage-free aviary system: effect of nest lighting at pullet housing and of curtain nest color during laying

open access: yesPoultry Science, 2023
: At 17 wk of age, 1,800 Lohman brown hens were housed in 8 pens of an experimental aviary system, specifically set up for the purposes of the present study, and kept until 26 wk without or with nest lighting (lights inside the nest 1.5 h before the ...
G. Pillan   +11 more
doaj   +1 more source

Effect of fermented laying hen manure and starter feed as growing media on black soldier fly larvae development [PDF]

open access: yesBIO Web of Conferences, 2023
This study aimed to evaluate the development of Black Soldier Fly (BSF) larvae when reared on different feeding media, specifically using varying ratios of fermented laying hen manure and starter feed.
Wiyoso Shelfia Anggraini   +3 more
doaj   +1 more source

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