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"Experientia docet" - Experience is the best teacher

Association of single nucleotide polymorphisms in genes coding insulin-like growth factor 1 system and milk production traits in Montbeliarde cows (Short communication)

  • 2016
  • Issue: 2
  • Volume: 46
M. Szewczuk Page: 191 - 195

The insulin-like growth factor 1 system plays a central role in the growth and development of the mammary gland. Insulin-like growth factor 1 (IGF1) and insulin-like growth factor 1 receptor (IGF1R) have been proposed as candidate genes for milk production…

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Effect of polymorphisms in the ABCG2, LEPR and SCD1 genes on milk production traits in Holstein cows

  • 2016
  • Issue: 2
  • Volume: 46
M. Soltani-Ghombavani, S. Ansari-Mahyari, M. Rostami, S. Ghanbari-Baghenoei & M.A. Edriss Page: 196 - 203

This study was performed to investigate the association between polymorphisms in the ABCG2 (ATP-binding cassette sub-family G member 2), LEPR (leptin receptor) and SCD1 (stearoyl-coenzyme A desaturase 1) genes and milk production traits in Holstein dairy cows in Iran. The…

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Effects of dietary supplement of turmeric powder (Curcuma longa) on blood biochemistry parameters and antioxidant activity in chickens

  • 2016
  • Issue: 2
  • Volume: 46
M.A.A. Qasem, M.S. Alhajj, A.R. Jer El Nabi & S.I. Al-Mufarrej Page: 204 - 213

The present study was conducted with 288 one-day-old mixed broiler chicks (Ross 308) to investigate the effects of dietary supplementation with various levels of turmeric powder on blood constituents and antioxidant activity. The chicks were randomly assigned to eight dietary…

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Effects of replacing marine fishmeal with graded levels of Tra Catfish by-product protein hydrolysate on the performance and meat quality of pigs

  • 2016
  • Issue: 3
  • Volume: 46
N.T. Thuy, M. Joseph & N.C. Ha Page: 221 - 229

A feeding trial was carried out to evaluate the effects of replacing fish meal (FM) with Tra Catfish (Pangasius hypophthalmus) by-product protein hydrolysate (TPH) on performance and carcass quality in pigs. Forty crossbred castrated (Yorkshire x Landrace) male pigs with…

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Ovulatory response and embryo quality in Katahdin ewes supplemented with palm oil

  • 2016
  • Issue: 3
  • Volume: 46
S. Torres-Zapata, C. Luna-Palomera, J.A. Aguilar-Cabrales, J.A. Peralta-Torres, J.R. Aké-López, F. Sánchez-Dávila & J. Abad-Zavaleta Page: 261 - 268

The aims of this study were to evaluate the superovulatory response (SR), embryo quality and embryonic development in Katahdin ewes that received a dietary supplement of palm oil (PO). Ten ewes were assigned to receive 35 g palm oil (n…

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Effects of Thymus vulgaris and Mentha pulegium on colour, nutrients and peroxidation of meat in heat-stressed broilers

  • 2016
  • Issue: 3
  • Volume: 46
A. Pirmohamammadi, M. Daneshyar, P. Farhoomand, J. Aliakbarlu & F. Hamian Page: 278 - 284

This study was designed to investigate the effects of Thymus vulgaris (thyme) and Mentha pulegium (mentha) powders on meat colour, nutrient composition and malondialdehyde (MDA) where broiler chickens were under heat stress. Two hundred one-day-old male chicks were used in…

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Interactions of genotype, housing and dietary calcium in layer performance, eggshell quality and tibia characteristics

  • 2016
  • Issue: 3
  • Volume: 46
E. Tůmová, J. Vlčková, V. Charvátová, O. Drábek, V. Tejnecký, M. Ketta & D. Chodová Page: 285 - 293

The study was designed to evaluate the interactions in performance, eggshell quality and tibia traits of two laying hen genotypes, namely a commercial hybrid, Lohmann (LSL), and a traditional breed, the Czech Hen (CH), housed in conventional cages and on…

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Effects of stocking density on growth performance, carcass grade and immunity of pigs housed in sawdust fermentative pigsties

  • 2016
  • Issue: 3
  • Volume: 46
K.H. Kim, E.S. Cho, K.S. Kim, J.E. Kim, K.H. Seol, S.J. Sa, Y.M. Kim & Y.H. Kim Page: 294 - 301

This study determined the effect of space allowance on performance, carcass grade and physiological variables of pigs reared in sawdust fermentative pigsties. A total of 699 crossbred (Landrace × Yorkshire × Duroc) pigs were housed in sawdust fermentative pigsties and…

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Genome-wide identification of breed-informative single-nucleotide polymorphisms in three South African indigenous cattle breeds

  • 2016
  • Issue: 3
  • Volume: 46
A.A. Zwane, A. Maiwashe, M.L. Makgahlela, A. Choudhury, J.F. Taylor & E. van Marle-Köster Page: 302 - 312

Access to genotyping assays enables the identification of informative markers that discriminate between cattle breeds. Identification of these markers can assist in breed assignment, improvement and conservation. The objective of this study was to identify breed informative markers to discriminate…

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Effect of micronized zeolite addition to lamb concentrate feeds on growth performance and some blood chemistry and metabolites

  • 2016
  • Issue: 3
  • Volume: 46
N.N. Toprak, A. Yılmaz, E. Öztürk, O. Yigit & F. Cedden Page: 313 - 320

This study was conducted to determine the effects of the addition of micronized zeolite (MZ) on the fattening performance, blood parameters, faecal ash and nitrogen levels of lambs fed concentrate feeds intensively. For two months 25 four-month-old Merino x Ile…

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Effects of various concentrations of gonadotropins and 17β estradiol on the in vitro maturation of cattle oocytes selected using brilliant cresyl blue staining

  • 2016
  • Issue: 3
  • Volume: 46
K.P.M. Lekola, J.W. Ng’ambi, M. Nkadimeng, M.L. Mphaphathi & T.L. Nedambale Page: 321 - 326

The objective of this study was to determine the in vitro maturation rate of cattle oocytes selected with brilliant cresyl blue (BCB) stain, in tissue culture medium 199 (TCM 199) supplemented with various concentrations of hormones. Oocytes were retrieved from…

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