Poultry

Maternal Dietary FA Modulate the Long-Chain n-3 PUFA Status of Chick Cardiac Tissue

Source: AO Ajuyah, G Cherian, Y Wang, H Sunwoo, and JS Sim The effect that egg yolk or maternal n-3 FA have on the cardiac tissue long-chain n-3 FA status of chicks during growth was investigated. Eggs with low, medium, and high levels of n-3 PUFA were obtained by feeding breeder hens a wheat/soybean meal-based […]

Evaluation of Tom Fertility as Affected by Dietary Fatty Acid Composition

Source: Judd Niles Culver The objective of two studies was to manipulate the essential fatty acid content of turkey semen by enhancing the dietary levels of either n-3 polyunsaturated fatty acids (PUFA) or n-6 PUFA and determine the effect on fertility. In 1999 (Trial 1), and again in 2000 (Trial 2), Large White tom turkeys, […]

Effects of n-3 Polyunsaturated Dietary Supplementation on the Reproductive Capacity of Male Turkeys

Source: E Blesbois, V Douard, M Germain, P Boniface, and F Pellet To measure the effects of dietary n-3 polyunsaturated fatty acid (PUFA) supplementation on the reproductive capacity of adult male turkeys in industrial flocks, the males of 22 commercial farms were fed either a standard diet or a fish oil diet enriched in n-3 […]

Effects of Dietary Menhaden Oil on Fertility and Sperm Quality of Broiler Breeder Males

Source: BP Hudson and JL Wilson To assess the effects of dietary fat source on semen quality and fertility, either poultry fat or menhaden oil (MO) was included in broiler breeder male diets. Males received diets containing either poultry fat or MO from 0 to 65 wk of age. When males were 47 wk of […]

Effect of Maternal Dietary n-3 Fatty Acids on the Accretion of Long-Chain Polyunsaturated Fatty Acids in the Tissues of Developing Chick Embryo

Source: G Cherian, N Gopalakrishnan, Y Akiba, and JS Sim The effect of maternal diets on the accretion of n-3 and n-6 polyunsaturated fatty acids in the brain and liver tissue of developing chick embryos was investigated. Hens were fed diets containing high (HLNA) or low levels of 18:3n-3 (LLNA). The HLNA diet increased (p […]

Effect of Dietary Fat on the Fatty Acid Composition and Fertilizing Ability of Fowl Semen

Source: E. Blesbois, M. Lessire, I. Grasseau, J.M. Hallouis, and D. Hermier Broiler breeder roosters received two diets, containing either 5% salmon oil (SO) or 5% corn oil (CO). The diets differed essentially in their polyunsaturated fatty acid (PUFA) composition, with n-6:n-3 fatty acid ratios of 41.6 in SO and 1.5 in CO. The effects […]

Dietary Fish and Evening Primrose Oil with Vitamin E Effects on Semen Variables in Cockerels

Source: S. Cerolini, P.F. Surai, B.K. Speake, and N.H.C. Sparks Our aim was to determine the effect of n-3 (2%, wt/wt, fish oil rich diet) and n-6 (2%, wt/wt, evening primrose oil rich diet) fatty acid dietary supplementation and their combination with two concentrations of vitamin E (40 vs 200mg/kg) on semen variables and on […]

Combined Effect of DHA and a-tocopherol Enrichment on Sperm Quality and Fertility in the Turkey

Source: Luisa Zaniboni, Rita Rizzi, and Silvia Cerolini The aim of the present study was to characterize the dietary effects of n-3 LC-PUFA and a-tocopheryl acetate (vE) on the quality, phospholipid fatty acid composition, a-tocopherol content (a-T) and in vitro susceptibility to lipid peroxidation in turkey semen. Fertility of fresh semen was also evaluated. Male […]

Modulation of Avian Metabolism by Dietary Fatty Acids

Source: R.E. Newman The role of dietary fatty acids and their subsequent effects on metabolism has received considerable attention in mammalian species. It is becoming increasingly clear that fatty acids have metabolic roles over and above their influence on energy density of the diet. Recent studies have linked changes in the fatty acyl composition of […]

Maternal Dietary N-3 Fatty Acids Alter the Spleen Fatty Acid Composition and Bovine Serum Albumin-Induced Wing Web Swelling in Broilers

Source: YW Wang, AO Ajuyah, HH Sunwoo, G Cherian, and JS Sim Effects of maternal dietary polyunsaturated fatty acids (PUFA) on the spleen fatty acid composition and BSA-induced wing web swellings were investigated in broilers. One hundred twenty broiler breeder hens 26 wk of age were randomly assigned to diets containing mainly wheat, corn, soy […]

Maternal Dietary Lipids Alter Bone Chemical Composition, Mechanical Properties, and Histological Characteristics of Progeny of Japanese Quail

Source: D Liu, HP Veit, JH Wilson, and DM Denbow This study evaluated the effects of maternal dietary lipids on chemical components and mechanical and histological properties of tibia in progeny of Japanese quail fed different dietary lipids. Laying hens were fed a basal diet containing either soybean oil (SBO), hydrogenated soybean oil (HSBO), chicken […]

Maternal Dietary FA Modulate the Long-Chain n-3 PUFA Status of Chick Cardiac Tissue

Source: AO Ajuyah, G Cherian, Y Wang, H Sunwoo, and JS Sim The effect that egg yolk or maternal n-3 FA have on the cardiac tissue long-chain n-3 FA status of chicks during growth was investigated. Eggs with low, medium, and high levels of n-3 PUFA were obtained by feeding breeder hens a wheat/soybean meal-based […]

Maternal Diet with Diverse Omega-6/Omega-3 Ratio Affects the Brain Docosahexaenoic Acid Content of Growing Chickens

Source: AO Ajuyah, Y Wang, H Sunwoo, G Cherian, and JS Sim Eggs with diverse omega-6/omega-3 ratio produced by feeding breeder hens a wheat-soybean meal-basal diet containing 5% (wt/wt) sunflower oil (Homega6), 5% fish oil (Homega3) or 2.5% sunflower oil plus 2.5% fish oil (Momega3omega6) were incubated. The hatched chicks were fed a docosahexaenoic acid […]

Maternal and Posthatch Dietary Polyunsaturated Fatty Acids Alter Tissue Tocopherol Status of Chicks

Source: G Cherian and JS Sim The effects of maternal and starter diet polyunsaturated fatty acid (PUFA) composition on the tocopherol (TOC) status of posthatch chicks were investigated. Fertile eggs enriched with long chain n-3, 18:3 n-3 or 18:2 n-6 PUFA were incubated. The eggs were collected from hens fed diets containing 3.5% menhaden oil […]

Lipid Measurements in Chickens Fed Different Combinations of Chicken Fat and Menhaden Oil

Source: Hope W. Phetteplace and Bruce A. Watkins Presently, the specific level of dietary fish oil necessary to decrease plasma triacylglycerols in humans or poultry is not known. The experiment described herein was conducted to evaluate the effects of varying levels of menhaden oil on plasma triacylglycerols in broiler chickens. Six lipid treatments consisting of […]

Enrichment of Hen Eggs with n-3 Long-Chain Fatty Acids and Evaluation of Enriched Eggs in Humans

Source: David J Farrell Eggs enriched with n-3 polyunsaturated fatty acids (PUFAs) were produced by hens fed diets containing fish oil or a combination of fish and vegetable oils. In a sensory evaluation, 78 untrained volunteers could not distinguish between ordinary and enriched eggs. Storage life was also not significantly different between egg types. A […]

Egg Yolk Polyunsaturated Fatty Acids and Vitamin E Content Alters the Tocopherol Status of Hatched Chicks

Source: G Cherian and JS Sim Polyunsaturated fatty acid composition and tocopherol status of newly hatched chicks from hens fed diets containing 3.5% menhaden (MO), flax (LO), palm (PO), or sunflower oils (SO) with (+T) or without tocopherols were examined. Addition of tocopherols increased (P < 0.05) the tocopherol content of eggs and hatched chick […]

Effect of Different Sources of Dietary Omega-3 Fatty Acids on General Performance and Fatty Acid Profiles of Thigh, Breast, Liver and Portal Blood of Broilers

Source: Matthias Schreiner, Howard W Hulan, Ebrahim Razzazi-Fazeli, Josef Böhm, and Renata G Moreira One hundred and sixty-eight 1-day-old Cobb broiler chickens were randomly assigned to 12 broiler cages to determine the dietary effect of different sources of oils rich in long-chain omega-3 polyunsaturated fatty acids (LCw3PUFA). The following oils were added to the feed […]

Effect of Dietary Fish Oil on w-3 Fatty Acid Levels in Chicken Eggs and Thigh Flesh

Source: Zhi-Bin Huang, Henry Leibovitz, Chong M. Lee, and Richard Millar Incorporation of w-3 polyunsaturated fatty acids into chicken egg, thigh meat, and adipose tissue was studied by feeding laying hens diets containing up to 3% menhaden oil for 4 weeks. Dietary fish oil increased eicosapentaenoic acid (20:5w3 (EPA)) and docosahexaenoic acid (22:6w3 (DHA)) in […]

Dietary Oils with Added Tocopherols: Effects on Egg or Tissue Tocopherols, Fatty Acids, and Oxidative Stability

Source: G Cherian, FW Wolfe, and JS Sim The effect of dietary oils [menhaden (MO), flax (FL), palm (PO), and sunflower oils (SF)] with added tocopherols on the tocopherol deposition, fatty acid composition, and thiobarbituric acid (TBA) values of egg or tissues (liver, adipose tissue, white meat, and dark meat) were examined. Addition of tocopherols […]

Dietary n-3 and n-6 Fatty Acids Alter Avian Glucose Metabolism

Source: RE Newman, WL Bryden, AC Kirby, LH Storlien, and JA Downing This investigation studied the effects of dietary saturated and polyunsaturated fatty acids (PUFAs) from the n-3 and n-6 series on insulin action and glucose uptake in broiler chickens. 2. One-day-old male chicks were fed on a commercial starter diet for 3 weeks, randomly […]

Deposition of n-3 Fatty Acids in Eggs

Source: Denzil Maurice, Ph.D., C.N.S. Various sources of n-3 fatty acids are used in feed to modify egg fatty acids and produce designer eggs. Such eggs contain increased amounts of n-3 fatty acids and could provide adequate n-3 fatty acid intake and thus serve as a dietary alternative. Little is known about the rate of […]

A Sensory Perspective of Effect of Feeds on Flavor in Meats: Poultry Meats

Source: L. M. Poste Reduction of feed costs is a major concern of poultry producers. However, replacement of components of a com-soybean diet with a lowercost alternative requires the assessment not only of poultry perfomance and carcass characteristics but also of resulting meat quality. A brief overview of research studies, conducted over the past 10 […]

Lipid Measurements in Chickens Fed Different Combinations of Chicken Fat and Menhaden Oil

Source: Hope W. Phetteplace and Bruce A. Watkins Presently, the specific level of dietary fish oil necessary to decrease plasma triacylglycerols in humans or poultry is not known. The experiment described herein was conducted to evaluate the effects of varying levels of menhaden oil on plasma triacylglycerols in broiler chickens. Six lipid treatments consisting of […]

Diets High in n-3 Fatty Acids Reduce Cecal Lesion Scores in Chickens Infected with Eimeria Tenella

Source: Patricia C. Allen, Harry D. Danforth, and Orville A Levander Four experiments were run in which diets incorporating various levels of n-3 fatty acids (n3FA) from fish (menhaden) oil or flax seed were tested for their abilities to reduce the severity of Eimeria tenella infections in young broiler chicks. The diets were fed from […]

Dietary Modification of Yolk Lipid with Menhaden Oil

Source: P S Hargis , M E Van Elswyk, and B M Hargis Due to the numerous proposed cardiovascular benefits associated with consumption of omega-3 fatty acids, marketing of an egg enriched by omega-3 fatty acid may benefit the egg producer. Effects on yolk composition of a standard laying hen diet enriched with 3% menhaden […]

Dietary Fish Oil or Lofrin, a 5-Lipoxygenase Inhibitor, Decrease the Growth-Suppressing Effects of Coccidiosis in Broiler Chicks

Source: D. R. Korver, P. Wakenell, and K. C. Klasing Broiler chicks were fed a diet containing 4% of either corn oil or fish oil from 3 to 14 d of age. From Days 15 to 23, half of the chicks in each dietary treatment were fed Lofrin (an experimental 5-lipoxygenase inhibitor) at 33 mu-g/kg […]

Dietary Fish Oil Alters Specific and Inflammatory Immune Responses in Chicks

Source: Douglas R. Korver and Kirk C. Klasing Two experiments were designed to determine the effects of dietary (n-3) fatty acids and grain source on the growth-suppressive effects of the inflammatory response and indices of specific immunity. In Experiment 1, chicks were fed diets containing 0.5, 1, or 2 g/100 g of either corn oil […]