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"Experientia docet" - Experience is the best teacher

Effects of dietary supplementation with yeast chromium or dihydropyridine on milk composition and serum biochemical indices of periparturient dairy cows under heat stress

  • 2023
  • Issue: 5
  • Volume: 53
L.W. Zhang, Y.F. Zhang, C. Wang, S.Q. Wang, S.B. Zhang, J.D. Li, S. Gao, Z.L. Qi#, & H.J. Chen Page: 637 - 648

The objective of the current study was to evaluate the effects of dietary supplementation with chromium yeast (Cr-yeast) and dihydropyridine (DHP) on nutrient utilization, milk composition, and antioxidative status of prepartum dairy cows under heat stress. Twenty-four perinatal dairy cows…

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Mitigating heat stress in broiler chickens using dietary onion (Allium cepa) and ginger (Zingiber officinale) supplementation

  • 2022
  • Issue: 6
  • Volume: 52
M. Shah, N. Chand, R.U. Khan, M. Saeed, M. Ragni, S. Tarricone, V. Laudadio, C. Losacco & V. Tufarelli Page: 811 - 818

The objective of this study was to evaluate the effect of dietary onion (Allium cepa) and ginger (Zingiber officinale) supplementation on growth, carcass quality, antioxidant status, and immune response in broilers under heat stress. A total of 700 day-old Hubbard…

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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

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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Effect of zinc and probiotics supplementation on performance and immune organs morphology in heat stressed broilers

  • 2018
  • Issue: 6
  • Volume: 48
M. Shah, H. Zaneb, S. Masood, I. Khan, A. Sikandar, S. Ashraf, H.F. Rehman, M.M. Usman, F.A. Khan, H. Amanullah & H. Rehman Page: 1017 - 1025

The dietary supplementation of trace minerals and probiotics has long been practiced to reduce the harmful effects of high environmental temperature in poultry. The study aimed to assess the effect of single or combined supplementation of ZnSO4•H2O and probiotic (Protexin®)…

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Serum biochemical profile of two broiler strains supplemented with vitamin E, raw ginger (Zingiber officinale) and L-carnitine under high ambient temperatures

  • 2018
  • Issue: 5
  • Volume: 48
Z. Rehman, N. Chand, R.U. Khan, S. Naz & I.A. Alhidary Page: 935 - 942

In this study, the authors evaluated the comparative effects of dietary supplementation of ginger (Zingiber officinale), vitamin E and L-carnitine on certain blood parameters of two strains of broilers in summer. A total of 320 broiler chicks (Hubbard and Cobb)…

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Effects of air temperature on physiology and productive performance of pigs during growing and finishing phases

  • 2018
  • Issue: 4
  • Volume: 48
R.F. Oliveira, R.H.R. Moreira1, M.L.T. Abreu, M.P. Gionbelli, A.O. Teixeira, V.S. Cantarelli & R.A. Ferreira Page: 627 - 635

Thirty-six castrated male pigs were used to determine the influence of thermal environment and reduction of consumption on performance and carcass composition. Animals were housed in two climate chambers. In one, animals were in thermal comfort (TN) (22 °C), and…

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Genetic diversity of the 3ꞌ and 5ꞌ untranslated regions of the HSP70.1 gene between native Turkish and Holstein Friesian cattle breeds

  • 2017
  • Issue: 4
  • Volume: 47
Y. Öner, A. Keskin, H. Üstüner, D. Soysal & V. Karakaş Page: 424 - 439

Heat stress proteins are important factors in protecting cells against environmental stress. The HSP70.1 gene is one of the most important members of the heat stress protein family, which is essential for life, production and reproduction. In this study, partial…

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Effect of shade on various parameters of Friesian cows in a Mediterranean climate in South Africa. 2. Physiological responses

  • 1994
  • Issue: 2
  • Volume: 24
C.J.C. Muller, J.A. Botha, W.A. Coetzer and W.A. Smith Page: 56 - 60

The effect of a shade structure on some physiological parameters of lactating Dutch-type Friesian cows was determined over three consecutive summer periods. Plasma cortisol concentration of no-shade cows was significantly (P < 0.05) higher than that of shade cows during…

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