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Journal of Animal and Poultry Production, Pp 69-74 (2026)
ISSN 2090-3723 · Mansoura University, Faculty of Agriculture · 1,530 articles in the index
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Estimation of Genetic and Phenotypic Relationships between Calving Ease and its Related Traits in Egyptian Buffaloes Using Bayesian Analysis
Bayesian Gibbs sampling was used to estimate genetic and phenotypic (co)variance components for calving ease (CE) and related traits, including birth weight (BW), weaning weight (WW), age at first calving (AFC), gestation length (GL), and pre-weaning average daily gain (ADG), in Egyptian buffaloes…
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Effect of Dietary Protein Level and Exogenous Enzymes or Probiotic on Performance, Blood Parameters and some Histological Aspects of Growing Japanese Quail
A 4-week study was carried out to evaluate the effect of dietary protein level and two feed additives (probiotic and enzymes) on growth performance and blood biochemical parameters of Japanese quail. A completely randomized design, with a factorial arrangement of treatments (3×3), three dietary…
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Bacillus Subtilis Inclusion in Lactating Goats’ Diet: A Dose-Response Evaluation of Feed Efficiency, Rumen Fermentation, Metabolic Health, and Milk Production of Does, And Performance of their Kids
Fifteen Zaraibi does (3-4 years old; live body weight: 32.69 ± 0.43 kg) were randomly assigned to three experimental groups fed three experimental rations supplemented with Bacillus subtilis, as a feed additive. The experimental period started 21 prepartum and continued until 180 days postpartum…
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Impact of Graded Levels of Dietary Bacillus subtilis on Nutrient Digestibility, Growth Performance, and Economic Efficiency of Growing Goat Kids
Thirty Zaraibi kids goat with an initial body weight of 15.47 ± 0.047 kg were randomly distributed to three experimental groups for estimating feed utilization of diets supplemented with Bacillus subtilis, as a direct-feed microbial and its impact on growth. All groups were fed a basal diet…
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Genetic and Non-genetic Factors Affecting Productive and Reproductive Traits in Maghrebi Camels under Egyptian Conditions
This study estimated genetic parameters and evaluated non-genetic factors affecting some productive and reproductive traits in Maghrebi camels (Camelus dromedarius) under Egyptian conditions. A total of 518 lactation records of She-camels from 55 dams and 15 sires were analyzed. Non-genetic…
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Productive and Physiological Performance of Two Breeds of Rabbits as Affected by Dietary Enzyme or Probiotic Supplementation
The current study was performed to determine the effects to dietary probiotic or enzyme supplementation on growth performance, carcass traits and blood parameters of Gabali and V-Line rabbits. Fifty four 6-wk-old rabbits were randomly distributed into 6 experimental groups, each with three equal…
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Effect of Dietary Supplementation with Coenzyme Q10, Curcumin and Curcumin Nanoparticles on Productive and Reproductive Performance of Dokki-4 Laying Pullets
The aim of the present study was to investigate effects of dietary supplementation of coenzyme Q10 (CEQ) and curcumin (CUR) or curcumin nanoparticles (CNP) on the productive and reproductive performance of Dokki-4 laying pullets. A total number of 198 Dokki-4 chickens (180 pullets: 18 cockerels)…
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The Effect of Dietary Supplementation Nano-Turmeric Growth Promoters on Growth Performance, Carcass Characteristics and Blood Biochemical Parameters of Broiler Chicks
This experiment investigate the effect of dietary supplementation with graded powder levels (0.0, 0.25, 0.50, 0.75, 1.0 g\kg diet) of Nano-turmeric for broiler chickens, on growth performance, carcass traits and blood biochemical parameters of broiler chicks. Reared 180 Ross 308 chicks were…
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Effect of Peppermint Powder as Feeding Additive on Productive Performance of Newzeland White Rabbits
This study was investigated the impact of peppermint powder (PP) addition on productive and economic performance of rabbits. Twenty-seven rabbits were divided into three equal groups (n= 9 rabbits / group). The control group was received a basal diet with no additives of peppermint powder (PP0)…
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Phytogenic Feed Additives as a Holistic Strategy for Sustainable Goat Production: A Review of Performance, Nutrition, Metabolic Stabilization, Health Status, and Genomic Regulation
As the livestock industry faces increasing pressure to adopt sustainable and environmentally conscious practices, there is a focused push to find natural feeding alternatives, chiefly those incorporating medicinal plants and herbal extracts known as phytogenic additives. These alternatives are…
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Phytogenic Additives Efficacy on Performance, Nutrition, Health, and Molecular Status in Sheep: Comprehensive Review
With the increasing demand for sustainability and environmentally conscious livestock production, there has been a considerable effort to investigate natural feed alternatives, especially phytogenic additives constituting medicinal plants and/or herbal extracts. Natural feed additives, which are…
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Interactions of Year, Calving Season, and Parity on Productive and Reproductive Performance in High and Moderate Yield Friesian Herds
This study compared the productive and reproductive performance of Friesian cows across two distinct commercial operations: The first farm (Farm 1) is classified as a large-scale, high-yield dairy operation (8,564 cows, ≈9,500 kg total milk yield TMY). The second farm (Farm 2) is classified as a…
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Effects of Whole Moringa oleifera Extract on Reproductive Performance In-Vivo and Ovarian Activity, Oocyte Quality In-Vitro, and Hemato-Biochemical Parameters in New Zealand White Rabbit Does
Studying the effects of whole Moringa oleifera water soluble extract (WMOE) on genital characteristics, the ovarian follicular population and oocyte quality, hematological and biochemical parameters, and reproductive performance of New Zealand White (NZW) doe rabbits was the aim of this research. A…
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Non-genetic factors affecting longevity and lifetime production traits of Friesian dairy cattle in Egypt.
The present study was focused on evaluation of the most important non-genetic factors affecting longevity and lifetime production traits using multitrait linear animal model. A total of 2914 Friesian heifer records and their subsequent lactations until culled or died, cover the period from 1979 to…
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Calf Sex-Associated Variations in Hematological, Biochemical, Thyroid Hormones, and Immune Profiles in Pre-Weaned Egyptian Buffalo Calves
This investigation examined the effects of calf sex on hematological indices, metabolic biomarkers, thyroid hormone levels, and immune response indicators in Egyptian buffalo calves throughout the pre-weaning phase. The study involved fifty healthy neonates (23 males and 27 females), which were…
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Genetic and Phenotypic Changes For Female Fertility and First Lactation Production Traits in Friesian Cattle in Egypt
This study aimed to evaluate the genetic and phenotypic trends of heifer and first-lactation cow traits using a multi-trait animal model. Data were obtained from 2,914 performance and pedigree records of Friesian heifers and first-lactation cows collected between 1979 and 2013 at the Saka and…
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Red Meat Supply and Value Chains
The study aimed to identify value chains of meat production from cattle and buffalo in Monoufia governorate, representing the Nile Delta region of Egypt, conclude factors affect prices balance, and supply meat at reasonable prices to the consumers. A structured questionnaire was developed to gather…
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Influence of Using Some Sources of Live Aquafeeds on the Performance of European Sea Bass (Dicentrarchus labrax L.)
Impact of using rotifers Brachionus plicatilis and Artemia nauplii as a live feed on growth and survival % of European sea bass larvae (Dicentrarchus labrax) was investigated. Sea bass weighing 2.4 ± 0.10 mg and 2.3 ± 0.1 mm body length were placed in 12 tanks, for 30 days at density (10, 30…
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Assessment of Livestock Markets for Meat Production from Cattle and Buffalo
The aim of the present study was to access livestock markets determinants of cattle and buffalo through marketing channels looking for the rationale to improve the marketing process, thereby selling and purchasing criteria and benefits distributed to the located respondents. Three livestock markets…
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Effect of Cage Density and Dietary Thyme Meal on Growth Performance, Nutrient Digestibility and Carcass Traits of Rabbits
The current investigation was carried out to assess the impact of stocking density (SD: 1, 2 or 3 rabbits/cage) and dietary dried thyme meal (DTM) fortification on male rabbits' growth performance, blood parameters, carcass characteristics, meat composition, and nutrient digestibility in a hot…
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