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Journal of Dairy Science
Weyl-Feinstein, S., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel, Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Markovics, A., Department of Parasitology, Kimron Veterinary Institute, PO Box 12, Bet-Dagan 50250, Israel
Eitam, H., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel, Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Orlov, A., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Yishay, M., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Agmon, R., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Miron, J., Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization, PO Box 6, 50250, Bet-Dagan, Israel
Izhaki, I., Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Shabtay, A., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Cryptosporidium parvum is considered one of the most common enteropathogens, responsible for the high incidence of diarrhea and deleterious implications on immunity and health in neonatal calves. The pomegranate is well known for its health-promoting properties. Two experiments were designed to test the antiparasitical and antidiarrheal effects of concentrated pomegranate extract (CPE) supplement in milk in neonatal Holstein calves. Forty-one calves were randomly divided into control (n = 20) and treatment (n = 21) groups. For the first experiment, the treatment group was supplemented with 3.75% CPE in the daily milk ration, between 3 and 14 d of age, whereas the control group received only milk. Fecal samples were collected between d 5 and 13 to quantify Cryptosporidium oocysts, and the duration and intensity of diarrhea were evaluated. Reduced fecal oocyst count and diarrhea intensity and duration were revealed in the 3.75% CPE calves. No difference was noted in average daily gain between groups. In a second experiment, which was designed to test the effect of a lower CPE concentration (0.6% of daily milk allocation), no effects on fecal oocyst count and average daily gain were observed. However, compared with control, the lower CPE group was characterized by a shorter duration of diarrhea and higher weight gain among males at 14 d of age. These results suggest that the CPE supplement-to-calf milk ratio may potentially alleviate intestinal morbidity caused by Cryptosporidium. © 2014 American Dairy Science Association.
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Short communication: Effect of pomegranate-residue supplement on Cryptosporidium parvum oocyst shedding in neonatal calves
97
Weyl-Feinstein, S., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel, Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Markovics, A., Department of Parasitology, Kimron Veterinary Institute, PO Box 12, Bet-Dagan 50250, Israel
Eitam, H., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel, Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Orlov, A., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Yishay, M., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Agmon, R., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Miron, J., Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization, PO Box 6, 50250, Bet-Dagan, Israel
Izhaki, I., Department of Evolutionary and Environmental Biology, Faculty of Sciences, University of Haifa, 31905 Haifa, Israel
Shabtay, A., Department of Ruminant Science, Institute of Animal Science, Newe Ya'ar Research Center, Agricultural Research Organization, PO Box 1021, Ramat Yishay 30095, Israel
Short communication: Effect of pomegranate-residue supplement on Cryptosporidium parvum oocyst shedding in neonatal calves
Cryptosporidium parvum is considered one of the most common enteropathogens, responsible for the high incidence of diarrhea and deleterious implications on immunity and health in neonatal calves. The pomegranate is well known for its health-promoting properties. Two experiments were designed to test the antiparasitical and antidiarrheal effects of concentrated pomegranate extract (CPE) supplement in milk in neonatal Holstein calves. Forty-one calves were randomly divided into control (n = 20) and treatment (n = 21) groups. For the first experiment, the treatment group was supplemented with 3.75% CPE in the daily milk ration, between 3 and 14 d of age, whereas the control group received only milk. Fecal samples were collected between d 5 and 13 to quantify Cryptosporidium oocysts, and the duration and intensity of diarrhea were evaluated. Reduced fecal oocyst count and diarrhea intensity and duration were revealed in the 3.75% CPE calves. No difference was noted in average daily gain between groups. In a second experiment, which was designed to test the effect of a lower CPE concentration (0.6% of daily milk allocation), no effects on fecal oocyst count and average daily gain were observed. However, compared with control, the lower CPE group was characterized by a shorter duration of diarrhea and higher weight gain among males at 14 d of age. These results suggest that the CPE supplement-to-calf milk ratio may potentially alleviate intestinal morbidity caused by Cryptosporidium. © 2014 American Dairy Science Association.
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