Transportation over long distances resulted in stress at animal. Under these circumstances, animal usually manifest depression and the impact on physiological condition changes and loss of body weight. The objectives of the research were to examine effect supplementation of organic-Cr type into diets in transport-stress beef cattle on physiological condition, haematochemical (included were haematological condition and blood chemical) and body weight changes. The experiment was conducted using 16 beef cattle those were transported by truck for a distance of 400 km from Malangbong to Tangerang. The experiment was arranged by Completely Randomized Design with four treatments and four replications. The dietary treatments consisted of R0 (basal diet without Cr supplemented), R1 (R0+3ppm organic-Cr resulted of alkali hydrolysis), R2 (R0+3 ppm organic-Cr resulted from bioprocess), R3 (R0+3 ppm organic-Cr resulted from bioremediation). The result indicated that type of organic-Cr supplementation at 3 ppm in diet did not influence physiological condition, haematochemical and body weight at beef cattle transported for seven hours. There was indication that beef cattle fed on control diet (without Cr) showed a stress symptom, their loss of body weight were higher (5.41%) compared to beef given diet contains organic-Cr (3.72%, 5.04% and 4.83%, respectively for R1, R2 and R3).
Abstract. Tanuwiria UH, Mushawwir A. 2020. Hematological and antioxidants responses of dairy cows fed with a combination of feed and duckweed (Lemna minor) as a mixture for improving performance. Biodiversitas 21: 4741-4746. A total of twenty-five, 5-7th-lactation-old or 7-8thyears-old dairy cows were used in the current study to study the effect of feed duckweed (Lemna minor) on the hematological status and parameters related antioxidant in the dairy cow. Each group of treatment involved 5 replicates with a dairy cow each (5 dairy cows per group). All of the group was provided ration following F0 = Uncultivated grass (UG) 60% and supplemented concentrated (C) 40%; F1 = UG 50%+fresh duckweed 10%+C 40%; F2 = UG 60%+fresh duckweed 3%+C 37%; F3 = UG 50%+fresh duckweed 10%+dried duckweed 3%+C 37%; F4 = UG 45%+fresh duckweed 15%+dried duckweed 2%+C 38%. Blood samples were collected from each dairy cow monthly beginning at the first month of this experiment, from the tail vein (vena coccygeal), using a sterilized syringe and vacuum tube containing K3EDTA. Hematological parameters were analyzed by a hematology analyzer. The blood samples collected were also centrifuged to separate the plasma. The plasma was used to determine of concentration of parameters related to antioxidant by an automatic biochemical analyzer, using a commercial kit. All procedure of the analysis was following based on the Biolabo kit (Franch) and Randox kit (UK). Based on in this current study showed that increased hematological condition and antioxidants profile in dairy cow supplemented duckweed . Supplemented duckweed can be improved physiological condition (hematologic and antioxidants) in the dairy cow.
Abstract. Tanuwiria UH, Susilawati I, Tasrifin DS, Salman LB, Mushawwir A. 2021. Behavioral, physiological, and blood biochemistry of Friesian Holstein dairy cattle at different altitudes in West Java, Indonesia. Biodiversitas 23: 533-539. For dairy cows, the study of physiological aspects and those related to it is very important based on altitude. The data of this study are the main considerations to determine the ability of homeostasis, prediction of production and appropriate feed management. This study aims to examine the behavior, physiological abilities, and blood plasma biochemistry of sixty dairy cows. It was conducted using three locations in West Java Province based on topography, namely: (i) location with topography 350-500 meters above sea level (masl): Sukabumi Regency; (ii) location with topography 550-750 masl: Sumedang Regency; and (iii) locations with topography > 800 masl: Bandung Regency. Furthermore, 5 mL of blood samples were taken accurately, using a syringe and a 5 mL tube containing EDTA, respectively. Blood sampling was taken carefully from the jugular vein of dairy cows at the beginning of every month for six sampling periods. After each collection, the whole blood was separated from the plasma directly using a centrifuge, with a speed of 4500 ppm for 7 minutes. The plasma obtained was used to measure the value of blood biochemistry related. The plasma analysis was conducted using a Kenza 240TX model spectrophotometer. The procedure for analyzing blood samples followed the instructions listed in the randox and biolabo kits. Furthermore, behavioral and thermoregulation measurements were performed every week during this research. The results showed an increase in dairy cows' time spent lying and drinking at low altitudes compared to dairy cows at high altitudes. In contrast, rumination and feeding activities were decreased, as shown in the blood's physiological response and biochemical profile. Dairy cows appear to be more challenging to adjust physiologically at lower altitudes.
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