CORRECCIÓN DEL DESPLAZAMIENTO ABOMASAL IZQUIERDO POR VIDEOLAPAROSCOPÍA

Correction of left abomasal displacement by video laparoscopy. This article reviews the benefits of the laparoscopic abomasopexy used for correction and fixation of the left abomasal displacement in dairy cows. The first steps are similar to the conventional technique, with sedation, analgesia and antisepsis. Two small flank incisions were made, the first one is about 10 centimeters ventral to the lumbar transverse processes in the cranial aspect of the left paralumbar fossa, and the second one, more cranial than the other and is located 7 cm ventral to the transverse processes of the lumbar vertebrae in the left 11th intercostal space, these two are the entry points of instruments and optics. This technique allows us to shorten the surgical time, reducing the tissue exposure time, the possibility of intra and post-surgical infections and iatrogenic injuries. Therefore, we saw that the recovery time was shorter; and a quick return to production is guaranteed due to the low use of antibiotics.

SURGICAL TREATMENT OF ABOMASAL DISPLACEMENTIN COWS AS A WAY TO PRESERVE MILKPRODUCTIVITY

Abomasal displacement is a common disease that causes significant economic damage to the dairy industry. According to the Russian and foreign authors, abomasal displacement in cows occurs in 0.5-5% of the total herd. This condition causes significant economic losses due to decreased milk yields, culling or slaughter of sick animals, and the costs of preventive measures and treatment. The methods of surgical treatment of abomasal displacement in dairy cows are increasingly applied under modern animal husbandry. The research was carried out on a farm of the Leningrad Region. The research targets were 47 Black Pied cows with abomasal displacement. The diagnosis was made by the clinical signs, auscultation and percussion of the abomasum region. Diagnostic laparotomy may confirm the diagnosis of displaced abomasum. The clinical findings (pulse, respiratory rate, heart rate, body temperature) in most of animals were normal except for newly-calved cows (up to 10 days after calving) and cows with inflammatory diseases. The surgical treatment with local infiltration an-aesthesia was made by standing laparotomy in the right paralumbar fossa. The incision the abdominal wall was performed parallel to last rib. The abomasum was sutured to the edge of the surgical incision. Post-surgical medical treatment consisted of infusion of fluids, antimicrobial treatment with Amoxicillin 150, administration of Multivit + Mineralien with the addition of 1 mL of ASD-2F and Butofan. Post-surgical rehabilitation was short (3-5 days) without complications. This post-surgical treatment allowed preventing the development of peritonitis or secondary infections, stimulating postoperative wounds healing and restoring the animal milk productivity.

Preliminary Experiment Using Sensors for Cow Health Monitoring after Surgical Treatment for the Left Displacement of the Abomasum

The aim of the current study was to determine the effectiveness of two surgical techniques regarding cow respiratory rates, heart rates, and rumination time using two sensors: an experimental device created by the Institute of Biomedical Engineering of Kaunas University of Technology (Lithuania) and the Hi-Tag rumination monitoring system (SCR) produced by SCR Engineers Ltd., Netanya, Israel. The cows were divided into two groups: the PA1 group, containing cows treated by percutaneous abomasopexy (n = 10), and the RSO2 group, containing cows treated by right side omentopexy (n = 8). For the control group (KH), according to the principle of analogs (number of lactations, breed, and days in milk), we selected clinically healthy cows (n = 9). After the surgical treatment for the abomasal displacement, the experimental device was applied for the recording of the heart and breathing rates, 12 h tracking of the rumination time was implemented using the SCR, and the body temperature was measured. After 12 h, the blood was taken for biochemical and morphological tests. With the help of experimental sensors, we found that the more efficient abomasal displacement surgical method was the right side omentopexy: During the first 12 h after right side omentopexy, we found a 5.19 beats/min lower (1.10 times lower) average value of the respiratory rate, a 1.13 times higher level of the heart rate, a 0.15 °C higher temperature, and a 3.29 times lower rumination time compared to the clinically healthy cows. During the first 12 h after percutaneous abomasopexy, we found a 5.19 beats/min higher (1.07 times) average value of heart rate, a 0.02 °C higher temperature, a 6.21 times lower rumination time, and a 0.12 beats/min lower (1.01 times lower) average value of respiratory rate compared to the clinically healthy cows.

The potential identical hemo-biological makers to the left abomasal displacement in dairy cows

Background Left abomasal displacement (LDA) occurs at high frequency in the early postpartum period and can affect production performance of dairy cows. Clinical diagnosis of LDA is usually done by abdominal auscultation and percussion. The purpose of this study was to explore the potential applicability of blood biomarkers for early warning and diagnosis of LDA in dairy cows. Results Twenty early postpartum healthy cows and thirty early postpartum LDA cows of similar parity were used. A receiver operating characteristic curve (ROC) method was used to analyze the sensitivity of hematological biomarkers to LDA including energy balance metabolic biomarkers, liver/renal function biomarkers, and minerals. A cut-off point was defined for each of the selected hematological biomarkers deemed sensitive markers of LDA. Compared with healthy cows, body condition score (BCS), dry matter intake (DMI) and milk production were lower in LDA cows. Among energy metabolism markers, serum non-esterified fatty acid (NEFA), β-hydroxybutyric acid (BHBA), insulin (INS), and revised quantitative insulin sensitivity check index (RQUICKI) levels were lower while serum glucagon (GC) was greater in LDA cows. Among the liver/renal function biomarkers, activities of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), γ-glutamyl transpeptidase (GGT), lactate dehydrogenase (LDH), the ratio of AST/ALT and levels of total bilirubin (TBIL), direct bilirubin (DBIL), indirect bilirubin (IBIL), albumin (ALB), blood urea nitrogen (BUN), creatinine (CREA), and total protein (TP) were greater in LDA cows. Among minerals analyzed, serum Cl, Ca, and K were lower in LDA cows. After ROC analysis, it was determined that serum Ca, INS, RQUICKI, ALT, GGT, and CREA are potential indicators for early warning and diagnosis of LDA in dairy cows. Conclusions Dairy cows with LDA were under severe negative energy balance (NEB), had signs of liver damage and potentially lower insulin sensitivity. A combination of multi-hematological biomarkers including Ca, INS, RQUICKI, ALT, GGT and CREA has the potential to help identify cows at risk of LDA.

Preliminary Experiment Using Sensors for Cow Health Monitoring After Surgical Treatment for the Left Displacement of the Abomasum

The aim of the current study was to determine the effectiveness of two surgical techniques regarding the cow respiratory rates, heart rates, and rumination time using two sensors: an experimental device that was created by the Institute of Biomedical Engineering of Kaunas University of Technology (Lithuania) and the “SCR” (SCR Engineers Ltd., Netanya, Israel) system. The cows were divided into two groups: PA1—cows treated by percutaneous abomasopexy (n = 10), and RSO2—cows treated by right side omentopexy (n = 8). For the control group (KH), according to the principle of analogues (number of lactations, breed, and days in milk), we selected clinically healthy cows (n = 9). After the surgical treatment for the abomasal displacement, the experimental device was applied for the recording of the heart and breathing rates; 12 hour tracking of the rumination time (RT) was implemented using the system ''SCR''; and the body temperature was measured. After 12 hours, the blood was taken for biochemical and morphological tests. The experimental device recorded 12 hours of the respiratory rate (RR) and heart beat rate (HBR) information. We determined the concentrations of the blood serum beta-hydroxybutyrate (BHB), calcium (Ca), phosphorus (Phos), magnesium (Mg), and iron (Fe), as well as the activities of aspartarte aminotransferase (AST) and gamma-glutamyl transferase (GGT). According to searches for relationships between the traditional blood biochemical and morphological parameters, and the parameters measured by the experimental device, the more efficient abomasal displacement surgical method was the right side omentopexy. With the sensors, we found, after right side omentopexy, a 5.19 beats/min lower (1.10-times) average value of the respiratory rate, 1.13-times higher level of the heart rate, a 0.15 oC higher temperature, and a 3.29-times lower rumination time compared to the clinical healthy cows. Further research with larger numbers of animals and longer experimental periods are needed prior to practical applications.

Abomasal displacement in neonatal dairy calves: Review of recent literature with special emphasis on abomasal torsion

Aim: This study aimed to describe the clinicopathological and necropsy findings in neonatal dairy calves affected with right torsion of the abomasum. Materials and Methods: The history and findings of clinical examination, hematology and serum biochemical analyses and necropsy were described in six neonatal Holstein calves with a confirmed diagnosis of right torsion of the abomasum. Furthermore, a review of the literature was carried out using internet search engines such as PubMed and Google Scholar concerning abomasal displacement in calves. Only published papers in scientific and refereed journals were reviewed. Results: Six neonatal Holstein calves (four females and two males) aged between 7 and 21 days were diagnosed with right torsion of the abomasum during necropsy. The calves were presented with peracute signs of anorexia, dehydration, abdominal pain, and abdominal distension. Hematology and serum biochemical analyses revealed hemoconcentration and azotemia, hyponatremia, hypochloremia, and hypokalemia. Conclusion: Abomasal torsion in neonatal calves must be placed on the deferential diagnostic list of calves suffering from peracute signs of abdominal pain and distension. Although the underlying etiopathological factors are not fully known, correction of nutritional mismanagement is required to prevent the condition.

Serum Levels of Neuropeptides in Cows with Left Abomasal Displacement

Abomasal displacement (AD) to the left is a common disease in high-yielding dairy cows after parturition. In view of the previously reported changes in tissue neuropeptide concentrations in cows with AD, the primary aim of this study was to evaluate the effect of AD and breed on serum neuropeptide concentrations. For this purpose, blood samples of 33 German Holstein (GH) cows with AD, 36 healthy controls (GH), and 32 healthy German Fleckvieh (GF) cows were collected, and concentrations of substance P (SP), vasoactive intestinal polypeptide (VIP), and interleukin1β (IL-1β) were measured via commercially available ELISA kits. To examine the effect of AD, we compared GH cows with and without AD and observed no significant effects of AD on SP, VIP, or Il-1 β concentrations. To evaluate the effect of breed, we compared healthy GH with healthy GF cows and detected markedly higher VIP serum levels in the healthy GF cows (p < 0.01). No significant differences in SP or IL-1β were detected. According to our results, there seems to be no effect of AD on the serum concentrations of SP, VIP, or IL-1 β. In contrast, there seems to be a breed difference concerning serum VIP concentrations.

Haematological findings in dairy cows with concurrent left abomasal displacement and hepatic lipidosis (fatty liver)

The main aim of the present field study was to evaluate various haematological parameters in cows with left abomasal displacement (LDA) and concurrent hepatic lipidosis (fatty liver) of different severity. A further objective was to compare these haematological values among animals with concurrent LDA and fatty liver that finally died or recovered. Sixty eight Holstein dairy cows with LDA and 110 control cows were included in the study. Blood and liver biopsy samples were obtained during standing LDA surgery. Liver tissue was examined histologically and classified according to the severity of fatty liver. Haematological analysis and biochemical determination of total lipids and triglycerides concentration of liver tissue were performed. The majority of the haematological parameters evaluated were within normal range. Haematocrit and haemoglobin median values were significantly lower in all LDA cows compared to controls, but no difference was recorded among fatty liver severity groups. Haematological parameters showed no significant difference in animals that finally died compared to the ones that recovered. Haematological parameters were not significantly influenced by the concurrence of LDA and fatty liver in dairy cows.

Managing the transition period of dairy cows to prevent major metabolic postpartum disorders

The transition period refers to the time between 3-4 weeks prior to and 4 weeks after calving. This is the period with the highest incidence of metabolic and other periparturient disorders. Many of these disorders interrelated and often coincide. Proper management and nutrition of the transition cow are critical for obtaining maximum dry matter intake, good health, increased reproductive efficiency and optimum milk production in the following lactation. The present review is comprised from two parts. In the first one, selected information is provided concerning the most important metabolic diseases of the transition period (hypocalcemia, ketosis) and, in brief, how hypocalcemia is interrelated to other diseases (mastitis, metritis, retained fetal membranes and abomasal displacement). In the second part, up-to-date nutritional methods applied in the transition period to prevent these metabolic periparturient diseases, with emphasis in hypocalcemia, are described.