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"Experientia docet" - Experience is the best teacher

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
  • 2026-06-09
  • 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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Propolis supplementation affects performance, intestinal morphology, and bacterial population of broiler chickens

  • 2021
  • Issue: 4
  • Volume: 51
S. Sadarman, E. Erwan, A. Irawan, M.M. Sholikin, R. Solfaine, R.P. Harahap, A.C. Irawan, A. Sofyan, N. Nahrowi & A. Jayanegara Page: 477 - 487
  • 2026-06-09
  • Dr. Michael MacNeil

A meta-analysis was conducted to examine the effect of supplementing the diet of broiler chickens with propolis on growth, bacterial population of the intestine, antiviral serum concentration, intestinal morphology, and digestive enzyme activities in broiler chickens. Forty peer-reviewed articles that…

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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
  • 2026-06-09
  • 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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Effects of thermal stress on physiological state and hormone concentrations in Holstein cows under arid climatic conditions

  • 2021
  • Issue: 4
  • Volume: 51
H. Djelailia, N. M’Hamdi, R. Bouraoui & T. Najar Page: 452 - 459
  • 2026-06-09
  • Dr. Michael MacNeil

This study was conducted to investigate the effect of heat stress on the physiology of dairy cows and to detect the relationship between rectal temperature (RT) and respiration rate (RR), heart rate (HR), and plasma concentrations of cortisol, thyroxine, and…

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Associative effects in diets composed of alfalfa and corn-soybean concentrate fed to growing cashmere goats

  • 2021
  • Issue: 4
  • Volume: 51
L. Jin, H.Z. Sun, S.L. Li, D. Sang, C.Z. Zhang & C.H. Zhang Page: 444 - 451
  • 2026-06-09
  • Dr. Michael MacNeil

The associative effects resulting from the proportions of neutral detergent fibre (NDF) and non-fibre carbohydrate (NFC) were explored and assessed by in vitro gas production. Total mixed rations (TMR) composed primarily of alfalfa and corn-soybean concentrate were fed to growing…

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Nutritional valorisation of cane (Arundo donax) by treatment with sodium hydroxide

  • 2021
  • Issue: 4
  • Volume: 51
S.M.P. Teixeira, C.S.A.M. Maduro Dias, C.F.M. Vouzela, J.S. Madruga & A.E.S. Borba Page: 437 - 443
  • 2026-06-09
  • Dr. Michael MacNeil

This study evaluated the effects of sodium hydroxide (NaOH) treatment on the nutritional value of Arundo donax (A. donax). Its ultimate goal was to develop an environmentally friendly animal feed alternative that could be produced sustainably while combatting the spread…

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Role of essential oils in antioxidant capacity and immunity in a rat model of mixed stress

  • 2021
  • Issue: 4
  • Volume: 51
N. Seyidoglu, E. Koseli, R. Gurbanli & C. Aydin Page: 426 - 436
  • 2026-06-09
  • Dr. Michael MacNeil

Animal wellbeing is a balance between environmental stress and nutrition that regulates homeostasis. Augmentation of animal feed with essential oils can promote homeostasis. The present study was designed to observe the biochemical, immunological, and biological effects of daily administration of…

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Carcass characteristics and meat quality of lambs fed high levels of spineless cactus in the diet

  • 2021
  • Issue: 4
  • Volume: 51
S.B.L. Bezerra, R.M.L. Véras, A.M.V. Batista, A. Guim, M.V. Maciel, D.B. Cardoso, D. M. Lima Júnior & F.F.R. Carvalho Page: 416 - 425
  • 2026-06-09
  • Dr. Michael MacNeil

The objective was to evaluate the effect of increasing the dietary inclusion of spineless cactus (Nopalea cochenillifera Salm Dyck) on the carcass characteristics and meat quality of confined lambs. Thirty-two male Santa Inês lambs with an average age of 140…

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Microbiological quality of silage made from by-products of cassava starch extraction and viticulture

  • 2021
  • Issue: 3
  • Volume: 51
C.R. Schneider, M.A. Zambom, D. Galhardo, A. Faccenda, A.S. Avila, R.C.R. Tinini & T.A. Del Valle Page: 407 - 415
  • 2026-06-09
  • Dr. Michael MacNeil

This study evaluated silages made with varying proportions of viticulture by-products (VC) and starch extraction from cassava (CSE). It attempted to determine the effects of these proportions on the microbial population, fermentative losses, and chemical composition. The treatments were specified…

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Digestibility and rumen fermentation of a high forage diet pre-treated with a mixture of cellulase and xylanase enzymes

  • 2021
  • Issue: 3
  • Volume: 51
K. Selzer, A. Hassen, A.M. Akanmu & A.Z.M. Salem Page: 399 - 406
  • 2026-06-09
  • Dr. Michael MacNeil

Forages play an important role in ruminant animal production worldwide. Unlocking the nutritional potential of poor-quality tropical forages with fibrolytic enzymes would improve forage digestibility and utilization. Using in vitro and in vivo methods this study investigated the effect of…

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Effects of gender and dietary date palm extract on performance, carcass traits, and antioxidant status of Japanese quail

  • 2021
  • Issue: 3
  • Volume: 51
M. Bolacali, K. Irak, T. Tufan & M. Küçük Page: 387 - 398
  • 2026-06-09
  • Dr. Michael MacNeil

This research examined effects of gender and dietary inclusion of date palm extract (DPE) on growth, carcass characteristics, oxidative status and serum characteristics of Japanese quail. One thousand chicks were allocated to five replicates of treatment and gender groups composed…

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Addition of cellulolytic bacteria in complete feed block based on agro-industrial by-products for Kacang goats

  • 2021
  • Issue: 3
  • Volume: 51
B. Santoso, T.W. Widayati, B.T. Hariadi & M.N. Lekitoo Page: 378 - 386
  • 2026-06-09
  • Dr. Michael MacNeil

The research aimed at assessing the effects on nutrient digestion and ruminal fermentation by goats of a complete feed block (CFB) that incorporated agro-industrial by-products that were high in fibre and cellulolytic bacteria. Three Kacang goats, a native Indonesian breed,…

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Essential oil and apple pomace affect fermentation and aerobic stability of alfalfa silage

  • 2021
  • Issue: 3
  • Volume: 51
M. Besharati, V. Palangi, V. Ghozalpour, Z. Nemati & T. Ayaşan Page: 371 - 377
  • 2026-06-09
  • Dr. Michael MacNeil

This study assessed the effects of the additions of an essential oil (EO), composed of ricinoleic acid, cardol, cardanol, and apple pomace, on fermentation quality and aerobic stability of alfalfa silages. The experimental treatments consisted of T1) alfalfa (control), T2)…

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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
  • 2026-06-09
  • 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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Effects of feeding system and pre-partum supplementation on the β-carotene status of South African Holstein cows

  • 2021
  • Issue: 3
  • Volume: 51
L.J. Erasmus, G. Machpesh, R.J. Coertze & C.J.L. du Toit Page: 339 - 348
  • 2026-06-09
  • Dr. Michael MacNeil

The objectives were to investigate the β-carotene status of dairy cows under various production systems, and to determine the effect of pre-partum β-carotene supplementation on their post-partum β-carotene status. Ten farms were selected from each of the three production systems,…

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Evaluation of high-concentrate diets that vary in physically effective neutral detergent fibre for finishing lambs

  • 2021
  • Issue: 3
  • Volume: 51
H.H.A. Costa, M.C.P. Rogério, R.C.F.F. Pompeu, R.N.B Lôbo, A.R. Lima, C.S. Costa, E.S. Pereira, L.F. Guedes & J.P. Muir Page: 322 - 331
  • 2026-06-09
  • Dr. Michael MacNeil

The objective of this research was to evaluate lamb diets with a high proportion of concentrate and various levels of physically effective neutral detergent fibre (NDF) using tropical ingredients. Four diets were formulated: D1 with 16.5% physically effective NDF (peNDF),…

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