Scientific Works Series C. Veterinary Medicine

PRINT ISSN 2065-1295, ISSN-L: 2065-1295, ISSN CD: 2343-9394,ISSN ONLINE 2067-3663
 

Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Andrei Raul TURBATU, Constantin SAVU

The physicochemical quality of traditional cheeses depends on the properties of the raw milk. Key parameters analysed include fat percentage, moisture, and dry matter. This study assesses these parameters in traditional cheeses from Dâmbovița County and tracks their evolution throughout the year. The analysed varieties telemea cheese, burduf cheese, and urda show variations, with fat percentage increasing over time. In cow's milk telemea cheese, fat rose from 47.43% (June) to 51.87% (November), while in burduf cheese, it increased from 41.28% (January) to 54.10% (November). Sheep's milk telemea cheese (61.02%) and sheep urda (84.41%) had the highest fat values, influenced by milk origin. Moisture and dry matter fluctuated, with alternating rising and falling trends. Fat percentage was the most influenced by seasonal factors, primarily due to the animal’s physiological stage: early lactation, peak production, gestation onset, and late lactation. The findings highlight significant seasonal variations in cheese composition, underlining the importance of monitoring these parameters to ensure product quality.

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Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Mihnea LUPU, Elena MITRANESCU, Manuella MILITARU

This study was conducted in a poultry breeding farm, aiming to analyse the mating behaviour of birds from a population consisting of parental lines used for slow-growing coloured broiler production. The research focused on direct observations made in the growing hall, assessing the causal relationship between reproductive activity and the incidence of traumatic injuries due to sexual aggression, as well as their impact on final productivity. Following the analysis of reproductive behaviour, based on the examination of 1000 mating attempts, a detailed ethogram was developed. Data collected included details on courtship behaviour, the hen’s response, and the outcome of each attempt. A total of 166 cases of aggressive trauma in hens were identified, with descriptions of each injury location and size. Productivity was evaluated based on the hatching rate obtained. The results revealed a significant correlation between mating behaviour, traumatic injury incidence, and productivity. The intensity of aggression peaked early in the laying period, within the first 5 weeks, when the population was still young and inexperienced.

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Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Laura-Miruna ONET, Diana Mihaela ALEXANDRU, Emilia CIOBOTARU-PIRVU

Platelet-Rich Plasma (PRP) therapy, derived from autologous canine blood, enhances tissue repair and modulates inflammation by concentrating platelets and growth factors. This study involved 20 dogs of various ages, breeds and gender, with joint traumatic injuries, such as coxofemoral luxation, patellar luxation, cruciate ligament rupture and degenerative joint disease (DJD), diagnosed through radiological exams. PRP was prepared by extracting blood into tubes containing separation gel and anticoagulant, followed by high-speed centrifugation. The PRP was injected into affected joints under general anaesthesia and administered according to each patient’s specific treatment protocol. Periodic evaluations at 15, 30, 60 and 90 days, as well as at 6 months and 1 year have demonstrated excellent recovery without complications, highlighting the healing potency of PRP for both traumatic and degenerative conditions. The improvement was observed in 60% of cases after one administration, with 50% (n=10) of non-surgical and 10% (n=2) of surgical patients. Additionally, 10% of non-surgical and 30% (n=6) of surgical patients required two PRP administrations. The study demonstrated the safeness of treatment, even for unresponsive patients to conventional anti-inflammatory therapies.

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Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Raluca-Aniela GHEORGHE-IRIMIA, Dana TĂPĂLOAGĂ, Cosmin ȘONEA, Lucian-Ionel ILIE, Makki Khalaf Hussein AL DULAIMI, Alexandru USTUROI, Paul-Rodian TĂPĂLOAGĂ

Transgenic animals represent a key achievement in modern biotechnology, providing novel solutions in industries such as agriculture, medicine, and environmental studies. Techniques such as microinjection, somatic cell nuclear transfer, and CRISPR/Cas9 gene editing have facilitated the development of transgenic animals by allowing precise genetic modifications. These advancements have led to the development of livestock that not only exhibit improved growth rates and disease resistance but also serve as bioreactors to produce human proteins and monoclonal antibodies. However, the application of transgenic technology raises significant ethical considerations, particularly regarding animal welfare and ecological impacts. The potential for unintended consequences, such as insertional mutagenesis and epigenetic silencing of transgenes, needs thorough evaluation of the long-term effects on both the transgenic animals and their ecosystems. Furthermore, public perception and regulatory frameworks around genetic engineering must be addressed to ensure responsible development and application of these technologies. This mini-review aims to synthesise current advances in transgenic animal technology, investigate their various applications, and critically evaluate the ethical concerns of their use.

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Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Roxana Ionela DRUGEA, Mădălina Iulia SITEAVU, Elena PITOIU, Stelian BĂRĂITĂREANU

Staphylococcus chromogenes (St. chromogenes) continues to be one of the primary causative agents of mastitis in dairy cattle. This retrospective study aimed to present the trends of antimicrobial resistance in St. chromogenes isolated from raw milk samples of dairy cows with subclinical and clinical mastitis over a six-year period. From January 2018 to December 2023, a total of 79 St. chromogenes isolates were evaluated for antimicrobial resistance against 22 antibiotics. The current study revealed a significant increase in resistance to various antimicrobial agents. For example, amoxicillin resistance increased from 23.33% to 50.00%, marbofloxacin from 12.50% to 25.00%, doxycycline from 13.33% to 75.00%, oxytetracycline from 13.33% to 50.00%, and streptomycin from 16.67% to 50.00%. The increasing trend of antimicrobial resistance underscores the need for robust infection control strategies and judicious antibiotic use in dairy farms. To summarise, this study can serve as an essential resource for evaluating treatment protocols and mitigating the further spread of resistance.

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Published in Scientific Works. Series C. Veterinary Medicine, Vol. LXXI, Issue 1
Written by Jaqueline MOCANU, Iuliana IONASCU, Florin DUMITRESCU, Seralp UZUN

Car accidents, bites trauma or high-rise syndrome are the main causes of mandible and maxilla fractures in dogs and cats. This article presents the surgical approaches for the treatment of different types of fractures resulting from traumatic maxillofacial and mandibular injuries. Maxillary or mandibular body fractures are the most common oral fractures seen in dogs. In cats, fractures of the mandibular ramus are less common than those of the symphysis. The surgical technique must be adapted to each case according to the complexity of the fracture. The assessment of the integrity of the soft tissues and their eventual surgical restoration is performed intraoperatively. Postoperative recovery must be correlated with the degree of trauma to the adjacent soft tissues. Osteomyelitis and delayed union are common complications in the upper and lower jaw fracture repair process in dogs and cats.

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