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"Experientia docet" - Experience is the best teacher

Addition of equine chorionic gonadotropin in controlled internal drug-release-based synchronization improves reproductive performance of Nili-Ravi buffalo in the sub-tropics

  • 2022
  • Issue: 4
  • Volume: 52
M.I. Naveed, M. Hassan, A. Husnain, U. Riaz, M. Ahmad, M.R. Yousuf, N. Ahmad Page: 452 - 459
  • 2026-06-09
  • Megan North

This study evaluated the effect of equine chorionic gonadotropin (eCG) and factors such as body condition score (BCS), cyclicity, and breeding season in a controlled internal drug release (CIDR)-based oestrus synchronization protocol on ovarian follicle dynamics, oestrus expression, ovulation rate,…

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Does dietary inclusion of defatted yellow mealworm (Tenebrio molitor) affect growth and body composition of juvenile common carp (Cyprinus carpio)?

  • 2022
  • Issue: 4
  • Volume: 52
A. Gebremichael, Z.J. Sándor, B. Kucska Page: 444 - 451
  • 2026-06-09
  • Megan North

The objective of this study was to evaluate the effects of total and partial replacement of fishmeal with defatted yellow mealworm (Tenebrio molitor) meal on one-summer-old common carp (Cyprinus carpio) with an initial bodyweight of 97.54 g ± 51.0 g…

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Effects of milking machine settings and teat liners on bovine udder health

  • 2022
  • Issue: 4
  • Volume: 52
P. Vermaak, I.M. Petzer & J. Karzis Page: 421 - 432
  • 2026-06-09
  • Megan North

The purpose of milking machines is to harvest milk at an optimum speed while maintaining cow comfort and preserving teat defence mechanisms against the invasion of mastitis pathogens, thus making machine settings critical in dairy herds. The various settings and…

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Meat quality characteristics of Tankwa goats from Carnarvon, Northern Cape

  • 2022
  • Issue: 4
  • Volume: 52
T. Sako, H.A. O’Neill, & T. Sedumedi Page: 409 - 420
  • 2026-06-09
  • Megan North

The aim of this study was to determine the post-mortem meat quality characteristics of extensively reared Tankwa goats to identify the most favourable age and sex for slaughter. Twenty-four goats, representing five groups, namely young intact males (G1), young females…

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Impact of various dietary levels of zeolite on broiler performance, digestibility, and carcass traits

  • 2022
  • Issue: 3
  • Volume: 52
M.S.D. Pavlak, R.V. Nunes, C. Eyng, A.M. Viott, B.S. Vieira, C. Kaufmann, N. Rohloff Junior, N.C.C. Santos, F.P. Campos & E.H. Cirilo Page: 400 - 408
  • 2026-06-09
  • Dr. Michael MacNeil

The objective of this study was to evaluate the use of clinoptilolite zeolite to enhance performance in broiler chickens. Nine hundred male broiler chickens were distributed in a completely randomized design to four treatments with nine repetitions. Treatments included clinoptilolite…

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Comparison of fatty acid properties of Bingol Propolis

  • 2022
  • Issue: 3
  • Volume: 52
H. Inci, B. Sogut, T. Sengul, B. Yucel, K. Kokten, R.I. Tunca, T. Ayasan, A.S. Bengu, A. Gul, S. Celik, A.Y. Sengul, H.S. Yılmaz, M.A. Kutlu & İ. Şahin Page: 392 - 399
  • 2026-06-09
  • Dr. Michael MacNeil

The purpose of this study was to determine the chemical and physical properties of samples of propolis collected from apiaries in Genç, Karlıova and Solhan districts of Bingöl Province, which is important in the beekeeping sector in Turkey. In the…

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Feeding Japanese quail diets supplemented with probiotics and enzymes

  • 2022
  • Issue: 3
  • Volume: 52
Ö. Durna Aydın, G. Yıldız, O. Merhan, S. Ulufer, K. Önk, M.S. Baran & O. Kaplan Page: 383 - 391
  • 2026-06-09
  • Dr. Michael MacNeil

This study assessed the effects of dietary supplementation with probiotics and enzymes on performance, blood antioxidant capacity, and cecal short-chain fatty acid concentration. Two hundred one-day-old quail chicks were randomly divided into four groups, each containing 50 chicks. All the…

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Horn growth characteristics of sable antelope (Hippotragus niger niger) in South Africa

  • 2022
  • Issue: 3
  • Volume: 52
C.A. Shepstone, P.C. Lubout, J.H.C. Van Zyl, L.C. Hoffman & G.F. Jordaan Page: 374 - 382
  • 2026-06-09
  • Dr. Michael MacNeil

A study of horn growth characteristics of sable antelope in South Africa investigated the environmental effects of sex, calving year and season on horn development for animals up to 50 months old. Horn growth characteristics were assessed in the age…

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Impact of chitosan oligosaccharide and valine supplementation on blood biochemical profile of broilers

  • 2022
  • Issue:
  • Volume: 52
Iftikhar Ahmed, Nabila Roohi & Ayesha Roohi Page: 366 - 373
  • 2026-06-09
  • Dr. Michael MacNeil

It was hypothesized that dietary supplementation of chitosan oligosaccharide (COS) and valine will ameliorate the biochemical profile of Ross 708 broilers between days 21 and 42 after hatching. To investigate this hypothesis, 480 male broilers were randomly placed in eight…

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Enteric methane emission estimates for cattle in Ethiopia from 1994 to 2018

  • 2022
  • Issue: 3
  • Volume: 52
S.E. Wassie, A. Wilkes, M. Tadesse, B. Assefa, M. Abu & D. Solomon Page: 346 - 365
  • 2026-06-09
  • Dr. Michael MacNeil

The objective of this study was to estimate enteric methane emissions of the Ethiopian cattle population using the Intergovernmental Panel on Climate Change (IPCC) Tier 2 approach. A comprehensive literature review was undertaken to obtain country-specific livestock activity data required…

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Sapindus rarak microparticles in feed and drinking water as a substitute for anticoccidials and antibiotics in broilers

  • 2022
  • Issue: 3
  • Volume: 52
T. Pasaribu, E. Wina & T. Cahyaningsih Page: 339 - 345
  • 2026-06-09
  • Dr. Michael MacNeil

This study compared the effects of Sapindus rarak microparticles (SRMs), provided through feed or drinking water, with commercial anticoccidial and antibacterial agents. The goal was to determine which would reduce Eimeria sp. oocysts and Escherichia coli populations and improve chicken…

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Metabolizable energy requirements, dry matter intake and feed selection of sable antelope (Hippotragus niger)

  • 2022
  • Issue: 3
  • Volume: 52
C.A. Shepstone, H.H. Meissner, J.H.C. Van Zyl, P.C. Lubout & L.C. Hoffman Page: 326 - 338

The large animal unit, grazing unit, and browsing unit methods for determining carrying capacity of wildlife use only metabolic weight as a factor to determine the energy requirements of game, whereas the large stock unit method uses metabolic weight and…

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Seasonal performance and behaviour of Nellore cattle in integrated crop-livestock systems

  • 2022
  • Issue: 3
  • Volume: 52
A.S. Aranha, C. Andrighetto, G.P. Mateus, E.A.R. Santana, G.C. Lupatini, A.R. Aranha, R. Fonseca, B.M.S. Sekiya, L.G.F. Bueno, P.R.L. Meirelles, S.A. Maestá, P.A. da Luz, G.A. Trivelin, A.C.C. Carriel & J.M.F. Santos Page: 304 - 315
  • 2026-06-09
  • Dr. Michael MacNeil

The first objective of this study was to assess Marandu palisade grass in an integrated crop-livestock system (ICL), and two integrated crop-livestock-forest (ICLF) systems. The first ICLF had a single row of eucalyptus (ICLF-1L) and the second had three rows…

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Predicting feed intake from weaning to maturity in South African sheep reared on high-energy grain-based diets

  • 2022
  • Issue: 3
  • Volume: 52
D.A. van der Merwe, T.S. Brand, P.G. Theron & L.C. Hoffman Page: 291 - 303
  • 2026-06-09
  • Dr. Michael MacNeil

Feed intake models seldom take breed differences into account. This study investigated various approaches to describing and predicting the feed intake of certain breeds (Dohne Merino, Dormer, Dorper, Meatmaster, Merino, South African Mutton Merino (SAMM) and White Dorper). On weaning…

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Effect of ferulic acid on growth, digestibility, digestive enzyme activity, immunity and antioxidant status of broilers

  • 2022
  • Issue: 3
  • Volume: 52
J. Du, Y. Wang, R. Wang, X. Ji, J. Zhang, T. Guo, Y. Hu, X. An, A. Gao & J. Qi Page: 280 - 290
  • 2026-06-09
  • Dr. Michael MacNeil

This study was conducted to evaluate the effects of ferulic acid (FA) on the growth, nutrient digestibility, digestive enzyme activities, immunity and antioxidant status of broilers. Ninety-six one-day-old male Arbor Acres broilers were randomly divided into two groups with six…

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Proportions of protein and concentrate in diets for buffaloes and cows affect neutral detergent fibre degradability

  • 2022
  • Issue: 3
  • Volume: 52
Z. Khan, Saima, T.N. Pasha, J.A. Bhatti, M.N. Haque, M.Z. Ihsan, R. Riaz, N. Zahra, H.A. Rahman, M. Jabbar, S. Ghazzanfar & M.N. Tahir Page: 266 - 279
  • 2026-06-09
  • Dr. Michael MacNeil

The study was designed to compare low and high levels of protein, namely 90 and 147 g/kg of dietary dry matter, and to evaluate the effect of concentrate proportions on the in situ digestion kinetics of neutral detergent fibre in…

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Composition, nitrate and nitrite levels, and antioxidant activity of milk from agroecological and conventional systems

  • 2022
  • Issue: 3
  • Volume: 52
M. Figueiredo-Paludo, M.S. dos Santos-Pozza, R.C. da Silva Junior, J.A. Horst, J.A.C. Osorio, L.C.V. Ítavo, F.S. dos Santos & G.T. dos Santos Page: 259 - 265
  • 2026-06-09
  • Dr. Michael MacNeil

Agroecological dairy production systems are gaining attention worldwide. However, few studies have compared the quality of bovine milk produced in these systems with that produced in conventional dairy production systems. In view of the different farming practices, it was expected…

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