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"Experientia docet" - Experience is the best teacher

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

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

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

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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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

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

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

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

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

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

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

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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Effects of protected sodium butyrate and reduced energy content in diets for broiler chickens

  • 2022
  • Issue: 2
  • Volume: 52
M.F. Pires, D.V. Jacob, N.S.M. Leandro, R.A.N. Mendonça, I. da S. Faria, D.P. Carvalho, H.F. de Oliveira, M.B. Café & J. H. Stringhini Page: 241 - 251

Effects of protected sodium butyrate (PSB) in broiler diets with reduced metabolizable energy (ME) content on production performance, intestinal histomorphometry and nutrient metabolizability were evaluated in two experiments. In one experiment, 384 one-day-old male chicks with an average weight of…

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Bayesian estimates of genetic parameters for bodyweights in Mecheri sheep of India

  • 2022
  • Issue: 2
  • Volume: 52
R. Rajendran, J. Muralidharan, C. Bandeswaran, S.K. Illa, K. Kizilkaya, S.O. Peters & A.K. Thiruvenkadan Page: 234 - 240

An understanding of genetic information and relationships among traits is required for an improvement programme to be successful. Therefore, this study aims to estimate certain (co)variance components for bodyweights Mecheri sheep collected at various ages. The data consisted of 2…

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Protected lysine in diets for 25–100 kg pigs

  • 2022
  • Issue: 2
  • Volume: 52
J.L. Figueroa-Velasco, D. Trujano-San Luis, J.A. Martínez-Aispuro, M.T. Sánchez-Torres, J.L. Cordero-Mora, A. Ruíz-Flores & M.M. Crosby-Galván Page: 202 - 213

The digestible lysine requirements for fattening pigs have not been established clearly. The objective of this trial was to determine a level of protected lysine in pig diets that was adequate for growth performance, carcass characteristics, and plasma urea nitrogen…

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