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"Experientia docet" - Experience is the best teacher

Antibiotic-free poultry production for food security, food safety, and environmental stewardship

  • 2026
  • Issue: 4
  • Volume: 56
C.M. Mnisi, I. Kumalo, S.R. Dibakoane, T. Mashiloane, M.S. Mthana, & V. Mlambo Page: 154 - 178
  • 2026-06-04
  • Megan North

The use of antibiotic growth promoters (AGPs) in poultry production has raised concerns for human, animal, and environmental health owing to the development and spread of antimicrobial resistance. These concerns have triggered global efforts to decrease AGP use and have…

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Use of a continuous disinfection programme in commercial broiler production

  • 2025
  • Issue: 7
  • Volume: 55
D. Beauzec, S. McCarlie, & R.R. Bragg Page: 304 - 312
  • 2026-06-04
  • Megan North

The growing threat of antibiotic resistance necessitates the development of novel methods for addressing health management in animal production and reducing dependency on antibiotics. Biosecurity is a term that describes the various measures taken to reduce the introduction or proliferation…

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Broiler performance on maize (Zea mays)–cowpea (Vigna unguiculata) diets fortified with black soldier fly (Hermetia illucens) larvae meal

  • 2024
  • Issue: 4
  • Volume: 54
T.T. Muleya, E. Bhebhe & F. Fushai Page: 524 - 539
  • 2026-06-04
  • Megan North

Effects of incorporating full-fat Black Soldier fly (Hermetia illucens) larvae meal (BSFLM) in 4-d sprouted cowpea-based grower and finisher broiler diets were evaluated in broilers. Chicks were raised in an open deep litter facility; 360 Ross 308 chicks started (0–21…

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High dietary inclusion of marula seed cake induces detrimental effects on performance, visceromorphometry, and immuno-physiology of broiler chickens

  • 2024
  • Issue: 3
  • Volume: 54
M.S. Mthana, D.M.N. Mthiyane, D.C. Onwudiwe, M. Mwanza Page: 432 - 446
  • 2026-06-04
  • Megan North

This study investigated the effects of incremental dietary levels of marula seed cake (MSC) in partial replacement of soyabean meal (SBM) and maize on growth performance, viscera macromorphometry, carcass traits, and haemato-biochemistry of broiler chickens during the starter, grower, and…

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Protected sodium butyrate in chicken diets until 21 days of age improves intestinal development and performance

  • 2022
  • Issue: 5
  • Volume: 52
M. F. Pires1, N. S. M. Leandro1, M. B. Café1, F. B. Carvalho1, D. V. Jacob2, R. A. Noleto-Mendonça3#, S. D. Assis4, J. M. S. Martins5 Page: 591 - 602
  • 2026-06-04
  • Megan North

This study was developed to examine the performance, carcass and cut yields, nutrient digestibility, and intestinal histomorphometry of chickens fed diets supplemented with protected sodium butyrate until 21 days of age. Two experiments were conducted, both of which involved the…

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Dietary Catharanthus roseus modulates intestinal microarchitecture in broilers

  • 2021
  • Issue: 4
  • Volume: 51
S. Yasmin, M.S. Yousaf, K.A. Majeed, M.A. Rashid, S.K. Tahir, M. Numan, R. Mustafa, S.I. Nagra, H. Zaneb & H. Rehman Page: 488 - 496
  • 2026-06-04
  • Dr. Michael MacNeil

The study evaluated the efficacy of ethanolic extracts of Catharanthus roseus (C. roseus) in altering growth performance, viscera development and intestinal microarchitecture in broilers. Day-old broiler chicks (n = 175) were randomly divided into seven groups (n = 25/group) with…

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Effects on egg production and quality of supplementing drinking water with calcium and magnesium

  • 2021
  • Issue: 4
  • Volume: 51
X.J. Yi, A. Rehman, R.W. Akhtar, A. Abbas, K. Hussain, R. Yasin, H.M. Ishaq, R.Z. Abbas, M.A. Raza, H.S. Hu & G. Li Page: 469 - 476
  • 2026-06-04
  • Dr. Michael MacNeil

This study was conducted to appraise the effects on egg quality and production performance of laying hens when drinking water was supplemented with calcium (Ca) and magnesium (Mg). A total of 384 (64-week-old) Hy-line Brown laying hens were assigned at…

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Dietary nano-dicalcium phosphate improves immune response and intestinal morphology of broiler chickens

  • 2021
  • Issue: 3
  • Volume: 51
M.D. Makola, L.E. Motsei, T.O. Ajayi & A.O. Yusuf Page: 362 - 370
  • 2026-06-04
  • Dr. Michael MacNeil

Various levels of substitution of nano-dicalcium phosphate (nCaHPO4) for the calcium and phosphorus supplied by limestone and monocalcium phosphate were evaluated, based on weight change, serum constituents, immune response and intestinal morphology of broiler chickens. The birds were assigned to…

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Effect of age of Japanese quail on physical and biochemical characteristics of eggs

  • 2021
  • Issue: 1
  • Volume: 51
S. Nowaczewski, T. Szablewski, R. Cegielska-Radziejewska, K. Stuper-Szablewska, M. Rudzińska, Ł. Tomczyk, K. Szulc, S. Kaczmarek, K. Perz & M. Hejdysz Page: 120 - 127
  • 2026-06-04
  • Dr. Michael MacNeil

The aim of the study was to investigate the effects of age of birds on egg quality in Japanese quail. The eggs were randomly selected from among all eggs laid on the same day when the birds were 15, 23…

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Inclusion of shrimp waste meal in diet of free-range chickens

  • 2020
  • Issue: 6
  • Volume: 50
C.O. Brito, C.M. Silva, G.R. Lelis, A. Corassa, J.M.D.S. Velarde, M.A.S. Silva, G.M. Oliveira Júnior, A.P. Del Vesco & V. Ribeiro Júnior Page: 773 - 778
  • 2026-06-04
  • Dr. Michael MacNeil

Shrimp waste meal (SWM) is a by-product from the processing of shrimp for human consumption. The value of SMW in feeding poultry is not well documented. The objective of this study was to determine the energy value and optimal inclusion…

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Protease inclusion in plant- and animal-based broiler diets: Performance, digestibility and biometry of digestive organs

  • 2020
  • Issue: 2
  • Volume: 50
D.P. Carvalho, N.S.M. Leandro, M.A. Andrade, H.F. de Oliveira, M.F. Pires, K.A. Teixeira, P.S. Assunção & J.H. Stringhini Page: 291 - 301
  • 2026-06-04
  • Dr. Michael MacNeil

The addition of protease to broiler diets may complement the action of endogenous enzymes and improve protein digestibility. Here, the authors evaluated the effect of adding protease to broiler diets that contained animal-based meal on bird performance, digestibility, and biometry…

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Supplemental chromium-loaded chitosan nanoparticles affect growth, serum metabolites and intestinal histology in broilers

  • 2019
  • Issue: 6
  • Volume: 49
S.K. Tahir, M.S. Yousaf, M.A. Rashid, A.F. Khan, S. Ahmad, H. Zaneb, I. Khan & H. Rehman Page: 1072 - 1082
  • 2026-06-04
  • Dr. Michael MacNeil

The goal of the present research was to evaluate the effects of chromium-loaded chitosan nanoparticles (Cr-CNPs) on production performance, viscera development, serum metabolites and intestinal histology in broilers. Two hundred (200) day-old broilers were randomly divided into five groups with…

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Effect of shackling, electrical stunning and halal slaughtering method on stress-linked hormones in broilers

  • 2019
  • Issue: 3
  • Volume: 49
I. Zulkifli, Z. Wakiman, A.Q. Sazili, Y.M. Goh, A. Jalila, Z. Zunita & E.A. Awad Page: 598 - 603
  • 2026-06-04
  • vanryssen

The objective of this study was to evaluate the effect of shackling and halal slaughter with head-only electrical stunning (ES) using water bath or no stunning (NS) on plasma levels of adrenaline (AD), noradrenaline (NAD) and corticosterone (CORT) levels of…

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Effects of grape pomace and vitamin E on performance, antioxidant status, immune response, gut morphology and histopathological responses in broiler chickens

  • 2018
  • Issue: 2
  • Volume: 48
S. K. Ebrahimzadeh, B. Navidshad, P. Farhoomand & F. Mirzaei Aghjehgheshlagh Page: 324 - 336
  • 2026-06-04
  • flickerleap

We investigated the effects of grape pomace (GP) and vitamin E on the performance, antioxidant status, immune response, gut morphology and histopathological responses in broiler chickens. Two hundred and fifty male broiler chickens (Ross 308) were allocated to five dietary…

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Humic acid and enzymes in canola-based broiler diets: Effects on bone development, intestinal histomorphology and immune development

  • 2017
  • Issue: 6
  • Volume: 47
A.R.P. Disetlhe, U. Marume, V. Mlambo, & I. Dinev Page: 914 - 922
  • 2026-06-04
  • flickerleap

The objective of the study was to investigate the effects of dietary inclusion of humic acid and enzymes on bone development, histomorphology of internal organs and the incidence of rickets in broiler chickens fed canola-based diets. In the study, Cobb…

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Effect of olive meal and supplemental enzymes on performance traits, blood biochemistry, humoral immunity response and caecal microbiota of broilers

  • 2017
  • Issue: 6
  • Volume: 47
S. Sateri, A. Seidavi, M. Bouyeh, P. Neumann, M. Kutzler, V. Laudadio, F. Loperfido & V. Tufarelli Page: 804 - 812
  • 2026-06-04
  • flickerleap

This study investigated the growth performance, carcass characteristics, blood biochemistry, humoral immunity and caecal microbiota of broiler chicks fed 0, 2, 4, 6, and 8% olive meal (OM) in diet. In addition, this study investigated the use of enzymatic feed…

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Performance of broiler chickens fed South African sorghum-based diets with xylanase

  • 2017
  • Issue: 5
  • Volume: 47
M. Mabelebele, R.M. Gous, M. Siwela, H.V.M. O’Neil and P.A. Iji Page: 679 - 687
  • 2026-06-04
  • flickerleap

Two experiments were conducted to determine the influence of sorghum variety and xylanase on performance of broiler chickens. In Experiment 1A, a total of 240 day-old Ross broiler chickens were assigned to a 2 (sex) × 3 (sorghum variety) ×…

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Influence of β-galacto-oligosaccharide on growth performance and components of intestinal barrier in broilers during heat stress

  • 2017
  • Issue: 5
  • Volume: 47
S. Ashraf, H. Zaneb, S. Masood, S. Yousaf, M. M. Usman, H. F. Rehman, A.Sikandar & H. Rehman Page: 616 - 625
  • 2026-06-04
  • flickerleap

This study aimed to investigate the influence of β-galacto-oligosaccharides (β-GOS) on growth performance, organ development and intestinal microarchitecture of broilers during heat stress. Day-old chicks (n = 125) were divided into five groups. The control or thermoneutral zone group (TNZ)…

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Growth performance, immune status and organ morphometry in broilers fed Bacillus subtilis-supplemented diet

  • 2017
  • Issue: 3
  • Volume: 47
A. Sikandar, H. Zaneb, M. Younus, S. Masood, A. Aslam, M. Shah & H. Rehman Page: 378 - 388
  • 2026-06-04
  • flickerleap

The present research aimed to investigate the effects of Bacillus subtilis (B. subtilis) on performance, immune system, gut, and lymphoid organs’ microarchitecture in broilers. A total of 120 day-old broiler chicks were randomly distributed into four groups. The birds were…

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