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Revista Colombiana de Ciencias Pecuarias (Colombian journal of animal science and veterinary medicine)
Journal Prestige (SJR): 0.192
Number of Followers: 2  

  This is an Open Access Journal Open Access journal
ISSN (Print) 0120-0690 - ISSN (Online) 2256-2958
Published by Universidad de Antioquia Homepage  [10 journals]
  • Subject index for Volume 36, 2023

    • Authors: RCCP H
      PubDate: Fri, 20 Oct 2023 00:00:00 -050
  • Peer-Reviewer index for Volume 36, 2023

    • Authors: RCCP H
      PubDate: Fri, 20 Oct 2023 00:00:00 -050
  • Índice temático Volumen 36, 2023

    • Authors: RCCP H
      PubDate: Fri, 20 Oct 2023 00:00:00 -050
  • Author index for Volume 36, 2023

    • Authors: RCCP H
      PubDate: Fri, 20 Oct 2023 00:00:00 -050
  • Effects of ivermectin on cytokine and immunoglobulin levels in sheep

    • Authors: Rahmi Canbar; Irmak Dik, Muhittin Uslu, Merve Ider, Mustafa-Sedat Arslan, Enver Yazar
      Abstract: Background: Ivermectin may affect the levels of cytokines and immunoglobulins in sheep, considering that avermectins have an effect on the immune system. Objective: To determine whether ivermectin has an effect on cytokines and immunoglobulins in sheep. Methods: After administration of ivermectin to 10 healthy sheep, sheep-specific interferon-α, tumor necrosis factor-α, interleukin-2, interleukin-6, interleukin-10, immunoglobulin G, immunoglobulin M, and immunoglobulin E levels were measured with an ELISA reader. Results: Significant (p<0.05) fluctuations were detected in interleukin-2 and interleukin-10 levels. Transient increases (p<0.05) were measured in tumor necrosis factor-α and immunoglobulin E levels (p<0.05). Conclusion: Ivermectin may affect immune system parameters in healthy sheep; however, the effects of ivermectin administration on infected sheep should be investigated.
      PubDate: Wed, 12 Jul 2023 00:00:00 -050
  • Carcass yield, non-carcass components and economic viability of using
           licuri oil in the diet for Santa Inês ewe’s

    • Authors: Cinthia P Lima-Cavalcanti; Taís J Silva-Macedo, Glayciane Costa-Gois, Vanúzia Gonçalves-Menezes, Alane P Oliveira-Monte, Alex Domingos-Silva, Dielen J Menezes-Silva, Paulo V Nunes-Nascimento, Elves Oliveira-Silva, Gherman G Leal-Araújo, Rafael T Souza-Rodrigues, Áurea Wischral, Maria H Tavares-Matos, Mário A Ávila-Queiroz
      Abstract: Background: The production of biofuels has caused an increase in the prices of agricultural commodities. Thus, the ecological footprint, social inclusion and profitability of production systems have encouraged the use of agroindustrial products as an alternative in ruminant feeds. Objective: To evaluate carcass yields, non-carcass components, and the economic viability of including licuri oil in diet of Santa Ines ewes. Methods: A total of 32 Santa Ines ewes (multiparous, non-lactating, 2–4 years old, and 36.7±0.87 kg of body weight—BW) were allotted to a randomized block design with four treatments (diets containing 0, 2, 4 or 5% licuri oil) with eight replicates per treatment, and confined for 77 days. Results: The incremental inclusion of licuri oil promoted a quadratic response on slaughter BW, carcass and true yields, chest widths, heart fat, pancreas, omental fat, and ribeye area (p<0.05). Carcass, heart and loin weight, shank yield, fat thickness and loin fat were reduced (p<0.05); while cooling losses, left half-carcass weight, saw blade yield, and proportion of meat in the loin increased (p<0.05) with increasing dietary levels of licuri oil. The control diet resulted in the best gross revenue (USD$609.39); however, there was a loss (USD$50.96) regarding economic performance indicators. Conclusion: The use of up to 2% licuri oil in the diet increased carcass yield of discard ewes.
      PubDate: Tue, 18 Apr 2023 00:00:00 -050
  • Effect of dietary nano α-tocopherol acetate plus selenium on
           productivity, immune status, intestinal morphometry and carcass traits of
           broiler chicken

    • Authors: Yahya Abdulameer; Majeed Ajafar, Raed Rabee
      Abstract: Background: Nano-vitamins and minerals are used in animal nutrition to improve performance and health of broiler chickens as a potential alternative to antibiotic growth promoters. Objective: To evaluate the effect of several levels of a dietary nano α-tocopherol acetate plus selenium compound (NTS) on growth, intestinal histomorphometry, carcass traits, and immune status of broiler chickens. Methods: A total of 240 one-day-old Ross 308 chickens were randomly divided into four groups, each one with three pens (n=20 per pen). Four doses of nano α-tocopherol acetate and selenium (0, 5, 7, and 10 mg/kg) were included in the basal diet for 42 days. Results: Final body weight, cumulative body weight gain, and final conversion ratio significantly improved with increasing NTS levels (p<0.05). Carcass traits and weight of internal organs increased in the groups fed 7 and 10 mg/kg NTS. High NTS doses significantly increased immune vaccine titers against Newcastle disease, avian influenza virus, infectious bursal disease, and infectious bronchitis. Moreover, dietary addition of NTS improved intestinal morphometry. Conclusion: Thus, NTS (7 and 10 mg/kg) can be added to poultry rations to improve production, carcass characteristics, and immune status of broilers. Further studies are needed to evaluate NTS residues in meat.
      PubDate: Fri, 10 Mar 2023 00:00:00 -050
  • Oxidative stress parameters in dogs naturally infected with sarcoptic

    • Authors: Kerim Emre Yanar; Sefa Kucukler, Emre Eren, Muhammed Sertaç Eroglu, Murat Ilgun, Cihan Gur, Fatih Mehmet Kandemir, Mustafa Sinan Aktas
      Abstract: Background: Scabies is one of the most common diseases in dogs. It threatens both animals and humans due to its zoonotic potential. Objective: The purpose of this study was to evaluate the oxidant/antioxidant balance with hematological findings in dogs infested with sarcoptic mange. Methods: The animals evaluated in this study consisted of 32 mixed-breed dogs between 1 and 2 years of age. The dogs were allocated into two groups: a control group (infestation-free animals; n=10), and a sarcoptic mange-infected group (Sarcoptes, n=22). Dogs in the Sarcoptes group showed infestation signs such as intense itching, excoriations, alopecia, and blistering of the elbow and auricular margins. Results: Significant increase (p<0.01) levels were observed in total oxidant status (TOS), malondialdehyde (MDA), oxidative stress index (OSI), and nitric oxide (NO), while glutathione (GSH) and total antioxidant status (TAS) levels in dogs infested with Sarcoptes decreased significantly (p<0.01). In addition, a significant increase (p<0.01) of WBC count in dogs in the sarcoptic group in comparison with the control was found. Conversely, there was significant decrease (p<0.01) in RBC, HGB, and PCV counts in Sarcoptes-infested dogs. Conclusions: Our study suggests a possible relationship between oxidant/antioxidant imbalance and hematological findings in dogs infested with sarcoptic mange. Furthermore, in addition to MDA, TAS, TOS, and OSI markers, NO as well as GSH might be also used to assess the oxidative stress in dogs naturally infected with Sarcoptes scabiei.
      PubDate: Mon, 06 Feb 2023 00:00:00 -050
  • Effect of weaning weight on growth performance, feed efficiency and
           behavioral characteristics of Holstein-Friesian and Brown Swiss calves

    • Authors: Rıdvan Koçyiğit; Veysel Fatih Özdemir, Mete Yanar, Recep Aydın, Olcay Güler, Abdulkerim Diler, Mehmet Akif Aydın
      Abstract: Background: Farm profitability depends on raising healthy calves, which rests on successful feeding and management programs. Objective: To determine the effects of weaning weight on growth performance, feed efficiency, behavioral traits, as well as feeding cost of Holstein-Friesian and Brown Swiss calves. Methods: Sixty-seven newborn dairy calves were allocated into four weaning-weight groups [60 kg (n=18), 65 kg (n=19), 70 kg (n=18) and 75 kg (n=12)]. Body weights (BW) and measurements were recorded at birth, weaning, and four months of age. An instantaneous sampling method was used to collect behavioral data. Results: Daily weight gain of Brown Swiss calves was higher than Holsteins between weaning and four months of age (p<0.05). During pre-weaning, daily weight gain of calves weaned at 60 kg was lower than the other three groups (p<0.05). Feed efficiency of Holstein-Friesian was higher than Brown Swiss calves in the period between birth and four months of age (p<0.05). Chest depth of calves weaned at 60 kg was (p<0.05) lower compared to the other groups. Water drinking behavior during the pre-weaning period was notably higher in calves weaned at 75 kg (p<0.05). Conclusions: Our results suggest that dairy calves can be weaned at 60 kg of BW without detrimental effects on performance, and their feed cost per kg weight gain is significantly lower compared to higher weaning weights.
      PubDate: Wed, 21 Dec 2022 00:00:00 -050
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