Results 1 to 10 of about 15,964 (301)
Histology of the Ovary of the Laying Hen (Gallus domesticus)
Veterinary Sciences, 2017 The laying hen (Gallus domesticus) is a robust animal model for epithelial ovarian cancer. The use of animal models is critical in identifying early disease markers and developing and testing chemotherapies. We describe the microscopic characteristics of
Christiane V Lohr, Karyn E Bird
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Effect of fermented laying hen manure and starter feed as growing media on black soldier fly larvae development [PDF]
BIO 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 +3 more sources
Effects of Different Laying Hen Species on Odour Emissions
Animals, 2020 Odour is one of the main environmental concerns in the laying hen industry and may also influence animal health and production performance. Previous studies showed that odours from the laying hen body are primarily produced from the microbial ...
Dongdong Lu, Jiandui Mi, Yinbao Wu
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Poultry Science, 2020 The application of micro-CT in small animal research, especially on bone health, has risen exponentially in recent years. However, its application in egg-laying hen bone analysis was still limited. This review introduces the technical aspects of micro-CT
Chongxiao Chen, Woo Kyun Kim
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Variation in digestibility parameters related to feed efficiency between and within two laying hen lines [PDF]
Poultry ScienceTo meet the increasing demand for eggs, while limiting the environmental impact, an increased efficiency of laying hen production is required. Feed efficiency (FE) plays a major role in this.
Ghyslaine C.B. Schopen +8 more
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Dietary Hemp (Cannabis sativa L.) Products Enhance Egg Yolk Omega-3 Fatty Acids and Color Without Compromising Laying-Hen Performance: A Meta-Analysis [PDF]
AnimalsHemp (Cannabis sativa L.) products have gained attention in poultry nutrition for their rich content of polyunsaturated fatty acids (PUFAs), bioactive compounds, and potential functional benefits.
Yusup Sopian +3 more
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The effect of space allowance in the cage and floor systems on feather condition and egg production [PDF]
Biotechnology in Animal Husbandry, 2022 The egg production sector is in a transitional period with regard to the permitted housing systems, i.e. rearing in conventional cages under certain conditions to the complete ban of any form of cage system.
Škrbić Zdenka +6 more
doaj +1 more source
Animals, 2022 Injurious pecking, commonly controlled by beak trimming (BT), is a widespread issue in laying hens associated with thwarted foraging. This controlled study compared the effect in intact and beak-trimmed pullets of providing pecking pans to eight ...
Paula Elizabeth Baker +2 more
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Soybean oil addition to wheat bran-based diet improves laying hens’ performance [PDF]
Veterinary 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
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Progesterone in the Blood of the Laying Hen [PDF]
Nature, 1958 FRAPS et al. 1, using the bioassay method of Hooker and Forbes2, reported progestational activity in the peripheral blood of the hen. Layne et al. 3, using chromatographic procedures, failed to find progesterone in chicken blood although they did identify this substance in extracts of ovarian tissue. In preliminary studies in this laboratory4, chemical
I M, LYTLE, F W, LORENZ
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