Wpływ występowania zakażeń SRLV na wzrost i użytkowość rozpłodową owiec

• Autorzy: Bojar W. , Jankuszew A. , Olech M.

Warianty tytułu

EN

Influence of SRLV infections in sheep flocks on growth and reproductive performance

• Języki publikacji: PL

Abstrakty

EN

The aim of the study was to determine the influence of the occurrence of SRLV infections on lamb growth and reproductive performance of sheep. The study was carried out on 98 sheep flocks from mid-Eastern Poland, covering the area of Lubelskie, Świętokrzyskie and Podkarpackie provinces. The study included 6,470 mother ewes. Flocks with at least one detected case of SRLV-positive serological test were considered infected. All flocks included in the experiment were subjected to the analysis of lamb growth on the basis of their body weight achieved on the 56th day of life. Moreover, traits related to reproductive performance, such as fertility, lamb/ewe rate and lamb weaning rate, as well as the reproductive performance itself were evaluated. The observations showed that both ewes (18.98 kg) and rams (19.70 kg) achieved higher body weights in the flocks where SRLV had not been detected. In the flocks in which the presence of SRLV was detected the achieved body weight was lower by 0.93 kg and 1.26 kg, respectively. The sheep in the SRLV-infected flocks were characterized by a significantly lower fertility and higher lamb/ewe rate in comparison to other flocks. The analysis conducted for the purpose of the study showed that the presence of SRLV in a flock resulted in a worse lamb weaning rate by about 6.69 percentage points. To sum up, the flocks with detected presence of SRLV were characterized by a significantly lower fertility and greater lamb mortality rate. The presence of SLRV also had a detrimental effect on the body weight obtained on the 56th day of life, both in rams and ewes. The results of the study clearly indicate the negative influence of SRLV on the reproductive performance of sheep.

Słowa kluczowe

PL

owce; chow zwierzat; lentiwirus malych przezuwaczy; infekcja wirusowa; jagnieta; wzrost zwierzat; masa ciala; owce matki; uzytkowosc rozplodowa; plodnosc; plennosc

• Wydawca: -
• Czasopismo: Medycyna Weterynaryjna
• Rocznik: 2018
• Tom: 74
• Numer: 08
• Opis fizyczny: s.540-543,rys.,tab.,bibliogr.

Twórcy

autor

Bojar W.

• Instytut Hodowli Zwierząt i Ochrony Bioróżnorodności, Wydział Biologii, Nauk o Zwierzętach i Biogospodarki, Uniwersytet Przyrodniczy w Lublinie, ul.Akademicka 13, 20-950 Lublin

autor

Jankuszew A.

• Instytut Hodowli Zwierząt i Ochrony Bioróżnorodności, Wydział Biologii, Nauk o Zwierzętach i Biogospodarki, Uniwersytet Przyrodniczy w Lublinie, ul.Akademicka 13, 20-950 Lublin

autor

Olech M.

• Zakład Biochemii, Państwowy Instytut Weterynaryjny - Państwowy Instytut Badawczy w Puławach, Al.Partyzantów 57, 24-100 Puławy

Bibliografia

• Arsenault Dubreuil P., Girard C. H., Simard C., Belanger D.: Maedi-visna im-pact on productivity in Quebeck sheep floks (Canada). Prev. Vet. Met. 2003, 50, 125-137.
• Berriatua E., Alvares V., Extramiana B., Gonzales L., Daltabuit M., Juste R.: Transmission and control implications of seroconversion to Maedi-Visna virus in Basque dairy-sheep floks Prev. Vet. Med. 2003, 60, 265-279.
• Brodie S., Concha-Bermejillo A., Snowder G., Demartini J.: Current concepts in the epizootiology, diagnosis and economic importance of ovine progressive pneumonia in North America. Small Ruminant Res. 1998, 27, 1-17.
• Calavas D., Bugnard F., Ducrot C., Sulpice P.: Classification of clinical types ofudder disease affecting nursing ewes. Small Rumin. Res. 1998, 29, 21-31.
• Dungu B., Vorster J., Bath G. F., Verwoerd D. W.: The effect of a natural mae-di-visna virus infection on the productivity of South African sheep, Onder-stepoort. J. Vet. Res. 2000, 67, 87-96.
• Fisher J. W., Menzies P. I.: Cost of a Maedi Visna Flock Certification Program and the Changes in Productivity and Economic Return. Sheep & Goat Res. J. 2005, 20, 17-24.
• Ganter M.: Veterinary consultancy and health schemes in sheep: Experiences and reflections from a local German outlook. Small Rumin. Res. 2008, 76, 55-67.
• Greenwood P. L.: Effects of caprine arthritisencephalitis virus on productivity and health of dairy goats in New-South-Wales, Australia. Prev. Vet. Med. 1995, 22, 71-87.
• Houwers D. J., Van der Molen E. J.: A five year serological survey of natural transmission of maedi-visna wirus in flock of completed with postmortem in-vestigate. J. Vet. Med. 1987, 34, 421-431.
• Junkuszew A., Dudko P., Bojar W., Olech M., Osiński Z., Gruszecki T. M., Greguła Kania M., Kuźmak J., Czerski G.: Risk factors associated with small ruminant lentivirus infection in eastern Poland sheep flocks. Prev. Vet. Med. 2016, 127, 44-49.
• Keen J., Hungerford L., Wittum T., Kwang J., Littledike E. T.: Rick factors for seroprevalence of ovine lentivirus in breeding ewe flocks in Nebraska USA. Prev. Vet. Met. 1997, 30, 81-94.
• Legrottaglie R., Martini M., Barsotti G., Agrimi P.: The Effects of Ovine Len-tivirus Infection on Some Productive Aspects in a Sardinian Sheep Flock from Italy Vet. Res. Comm. 1999, 23, 123-131.
• Lipecka Cz., Junkuszew A., Kuźmak J., Gruszecki T. M., Kozaczyńska I., Olech M., Bojar W., Osiński Z.: Influence of small ruminant lentivirus infection on reproductive traits in ewes. Bull. Vet. Inst. Pulawy 2013, 57, 15-18.
• Lipecka Cz., Kuźmak J., Gruszecki T. M., Kozaczyńska B., Junkuszew A., Szymanowska A., Szymanowski M.: Fizjologiczna i produkcyjna reakcja organizmu owiec wykazujących obecność wirusa maedi-visna. Sprawozd. meryt. proj. badawczego nr 2 P06Z 009 29, UP, Lublin 2009.
• Lipecka Cz., Kuźmak J., Junkuszew A., Kozaczyńska B., Gruszecki T. M.: The relations between breed and age associsted susceptibility/resistance of sheep infection with meadi visna virus (MVV). Arch. Tierz. Dummerstorf 2006, 49, 160-165.
• Peterhans E., Greenland T., Badiola J., Harkiss G., Bertoni G., Amorena B., Eliaszewicz M., Juste R. A., Krassnig R., Lafont J. P., Lenihan P., Petursson G., Pritchard G., Thorley J., Vitu C., Mornex J. F., Pepin M.: Routes of transmission and consequences of small ruminant lentiviruses (SRLVs) infection and eradication schemes. Vet. Res. 2004, 35, 257-274.
• Ploumi K., Christodoulou V., Vainas E., Lymberopoulos A., Xioufis A., Giouzeljiannis A., Paschaleri E., Ap Dewi I.: Effect of maedi-visna virus infec-tion on milk production in dairy sheep in Greece. Vet. Rec. 2001, 149, 526-527.
• Sihvonen L., Hirivela-Koski V., Noutio L., Kokkonen U.: Serological survey and epidemiological investigation of maedi-visna in sheep in Finland. Vet. Microbiol. 1999, 65, 265-270.
• Straub O.: Maedi-visna virus infection in sheep: history and present knowledge. Comp. Immune. Microbiol. Infec. Dis. 2004, 27, 1-5.

Identyfikatory

DOI

10.21521/mw.6098