Vuković, Dejan

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  • Vuković, Dejan (3)
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Author's Bibliography

Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment

Vuković, Dejan; Božić, Aleksandar; Relić, Renata; Stancić, Blagoje; Gvozdić, Dragan; Kučević, Denis

(Scientific Technical Research Council Turkey-Tubitak, Ankara, 2016)

TY  - JOUR
AU  - Vuković, Dejan
AU  - Božić, Aleksandar
AU  - Relić, Renata
AU  - Stancić, Blagoje
AU  - Gvozdić, Dragan
AU  - Kučević, Denis
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4150
AB  - An experiment was conducted to investigate the effects of hormonal synchronization of ovulation on progesterone concentrations in milk and blood serum and on reproductive performance. Sixty Holstein-Friesian cows averaging 8000 L over 305 days of lactation were divided into 2 groups of 30 animals. One-factor ANOVA and a t-test of progesterone concentrations in venous serum and milk revealed that the lowest concentrations of progesterone in milk (Ovsynch 5.8 + 1.0 ng/mL; control 4.5 + 0.6 ng/mL) and blood serum (Ovsynch 1.3 +/- 0.9 ng/mL; control 1.4 +/- 0.5 ng/mL) in both groups were found on the day of estrus or artificial insemination (AI) (both P  lt  0.05). Increases in the concentrations of progesterone in milk (Ovsynch 17.6 +/- 4.3 ng/mL; control 10.5 +/- 1.9 ng/mL) and blood serum (Ovsynch 3.6 +/- 1.1 ng/mL; control 4.0 +/- 1.0 ng/mL) were observed on day 7 after AI (both P  lt  0.05). Concentrations of progesterone in milk and blood serum in nonpregnant cows were reduced on day 21 after AI. Assessment of reproductive performance revealed that the application of treatment shortened the duration of the service period (Ovsynch 76 days; control 83 days) and the calving interval (Ovsynch 376 days; control 382 days).
PB  - Scientific Technical Research Council Turkey-Tubitak, Ankara
T2  - Turkish Journal of Veterinary & Animal Sciences
T1  - Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment
EP  - 80
IS  - 1
SP  - 75
VL  - 40
DO  - 10.3906/vet-1505-17
ER  - 
@article{
author = "Vuković, Dejan and Božić, Aleksandar and Relić, Renata and Stancić, Blagoje and Gvozdić, Dragan and Kučević, Denis",
year = "2016",
abstract = "An experiment was conducted to investigate the effects of hormonal synchronization of ovulation on progesterone concentrations in milk and blood serum and on reproductive performance. Sixty Holstein-Friesian cows averaging 8000 L over 305 days of lactation were divided into 2 groups of 30 animals. One-factor ANOVA and a t-test of progesterone concentrations in venous serum and milk revealed that the lowest concentrations of progesterone in milk (Ovsynch 5.8 + 1.0 ng/mL; control 4.5 + 0.6 ng/mL) and blood serum (Ovsynch 1.3 +/- 0.9 ng/mL; control 1.4 +/- 0.5 ng/mL) in both groups were found on the day of estrus or artificial insemination (AI) (both P  lt  0.05). Increases in the concentrations of progesterone in milk (Ovsynch 17.6 +/- 4.3 ng/mL; control 10.5 +/- 1.9 ng/mL) and blood serum (Ovsynch 3.6 +/- 1.1 ng/mL; control 4.0 +/- 1.0 ng/mL) were observed on day 7 after AI (both P  lt  0.05). Concentrations of progesterone in milk and blood serum in nonpregnant cows were reduced on day 21 after AI. Assessment of reproductive performance revealed that the application of treatment shortened the duration of the service period (Ovsynch 76 days; control 83 days) and the calving interval (Ovsynch 376 days; control 382 days).",
publisher = "Scientific Technical Research Council Turkey-Tubitak, Ankara",
journal = "Turkish Journal of Veterinary & Animal Sciences",
title = "Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment",
pages = "80-75",
number = "1",
volume = "40",
doi = "10.3906/vet-1505-17"
}
Vuković, D., Božić, A., Relić, R., Stancić, B., Gvozdić, D.,& Kučević, D.. (2016). Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment. in Turkish Journal of Veterinary & Animal Sciences
Scientific Technical Research Council Turkey-Tubitak, Ankara., 40(1), 75-80.
https://doi.org/10.3906/vet-1505-17
Vuković D, Božić A, Relić R, Stancić B, Gvozdić D, Kučević D. Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment. in Turkish Journal of Veterinary & Animal Sciences. 2016;40(1):75-80.
doi:10.3906/vet-1505-17 .
Vuković, Dejan, Božić, Aleksandar, Relić, Renata, Stancić, Blagoje, Gvozdić, Dragan, Kučević, Denis, "Progesterone concentration in milk and blood serum and reproductive efficiency of cows after Ovsynch treatment" in Turkish Journal of Veterinary & Animal Sciences, 40, no. 1 (2016):75-80,
https://doi.org/10.3906/vet-1505-17 . .
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The influence of udder disinfections, period of lactation and season on cow mastitis occurrence

Hristov, Slavča; Joksimović-Todorović, Mirjana; Relić, Renata; Stojanović, Bojan; Stanković, Branislav; Vuković, Dejan; Davidović, Vesna

(Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad, 2007)

TY  - JOUR
AU  - Hristov, Slavča
AU  - Joksimović-Todorović, Mirjana
AU  - Relić, Renata
AU  - Stojanović, Bojan
AU  - Stanković, Branislav
AU  - Vuković, Dejan
AU  - Davidović, Vesna
PY  - 2007
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1544
AB  - CMT and bacteriological tests of milk samples showed that S. aureus prevails in maternity stall of the farm and Str. agalactiae in lactation cows. Very significant is influence (p lt 0.01) of disinfectants, lactation stage and type of mastitis pathogens, and the interaction of disinfectants and lactation stage, and lactation stage and type of pathogen on mastitis appearance as well. It is significant influence (p lt 0.05) of disinfectant and season interaction, and interaction of disinfectant, lactation stage and season as well, but influence of season individually and mutual interaction between all examined parameters is not statistical significant (p>0.05).
AB  - CMT i bakteriološki pregled uzoraka mleka pokazao je da na farmi u porodilištu preovladava S. aureus, a kod krava u laktaciji Str. agalactiae. Vrlo je značajan (p lt 0,01) uticaj dezinficijenasa, faze laktacije i vrste izolovanih uzročnika mastitisa, kao i interakcije dezinficijenasa i faze laktacije, i faze laktacije i vrste uzročnika na pojavu mastitisa. Značajan (p lt 0,05) je uticaj interakcije dezinficijensa i sezone, kao i dezinficijensa, faze laktacije i sezone, dok uticaj samo sezone i međusobne interakcije svih ispitivanih parametara nije statistički značajan (p>0,05).
PB  - Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad
T2  - Savremena poljoprivreda
T1  - The influence of udder disinfections, period of lactation and season on cow mastitis occurrence
T1  - Uticaj dezinfekcije vimena, faze laktacije i sezone na pojavu mastitisa krava
EP  - 143
IS  - 1-2
SP  - 138
VL  - 56
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1544
ER  - 
@article{
author = "Hristov, Slavča and Joksimović-Todorović, Mirjana and Relić, Renata and Stojanović, Bojan and Stanković, Branislav and Vuković, Dejan and Davidović, Vesna",
year = "2007",
abstract = "CMT and bacteriological tests of milk samples showed that S. aureus prevails in maternity stall of the farm and Str. agalactiae in lactation cows. Very significant is influence (p lt 0.01) of disinfectants, lactation stage and type of mastitis pathogens, and the interaction of disinfectants and lactation stage, and lactation stage and type of pathogen on mastitis appearance as well. It is significant influence (p lt 0.05) of disinfectant and season interaction, and interaction of disinfectant, lactation stage and season as well, but influence of season individually and mutual interaction between all examined parameters is not statistical significant (p>0.05)., CMT i bakteriološki pregled uzoraka mleka pokazao je da na farmi u porodilištu preovladava S. aureus, a kod krava u laktaciji Str. agalactiae. Vrlo je značajan (p lt 0,01) uticaj dezinficijenasa, faze laktacije i vrste izolovanih uzročnika mastitisa, kao i interakcije dezinficijenasa i faze laktacije, i faze laktacije i vrste uzročnika na pojavu mastitisa. Značajan (p lt 0,05) je uticaj interakcije dezinficijensa i sezone, kao i dezinficijensa, faze laktacije i sezone, dok uticaj samo sezone i međusobne interakcije svih ispitivanih parametara nije statistički značajan (p>0,05).",
publisher = "Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad",
journal = "Savremena poljoprivreda",
title = "The influence of udder disinfections, period of lactation and season on cow mastitis occurrence, Uticaj dezinfekcije vimena, faze laktacije i sezone na pojavu mastitisa krava",
pages = "143-138",
number = "1-2",
volume = "56",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1544"
}
Hristov, S., Joksimović-Todorović, M., Relić, R., Stojanović, B., Stanković, B., Vuković, D.,& Davidović, V.. (2007). The influence of udder disinfections, period of lactation and season on cow mastitis occurrence. in Savremena poljoprivreda
Univerzitet u Novom Sadu - Poljoprivredni fakultet, Novi Sad i Naučni institut za ratarstvo i povrtarstvo, Novi Sad., 56(1-2), 138-143.
https://hdl.handle.net/21.15107/rcub_agrospace_1544
Hristov S, Joksimović-Todorović M, Relić R, Stojanović B, Stanković B, Vuković D, Davidović V. The influence of udder disinfections, period of lactation and season on cow mastitis occurrence. in Savremena poljoprivreda. 2007;56(1-2):138-143.
https://hdl.handle.net/21.15107/rcub_agrospace_1544 .
Hristov, Slavča, Joksimović-Todorović, Mirjana, Relić, Renata, Stojanović, Bojan, Stanković, Branislav, Vuković, Dejan, Davidović, Vesna, "The influence of udder disinfections, period of lactation and season on cow mastitis occurrence" in Savremena poljoprivreda, 56, no. 1-2 (2007):138-143,
https://hdl.handle.net/21.15107/rcub_agrospace_1544 .

Influence of some factors on somatic cell counts in cow milk

Hristov, Slavča; Relić, Renata; Stanković, Branislav; Vuković, Dejan

(Institut PKB Agroekonomik, Padinska skela, 2006)

TY  - JOUR
AU  - Hristov, Slavča
AU  - Relić, Renata
AU  - Stanković, Branislav
AU  - Vuković, Dejan
PY  - 2006
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1252
AB  - In the review paper the effect of some factors on somatic cell counts (SCC) on the base of literature data are discussed. Several studies over the past 30 years have addressed issues surrounding SCC, their variation, and the potential use of SCC for monitoring milk quality. Clearly the major factor affecting SCC is a mammary gland infection and this holds true at the quarter, cow, or bulk tank level. Most studies suggest that cows with SCC less than 200,000 cells/ml are not likely to be infected with major mastitis pathogens, while cows with SCC of 300,000 or greater are very likely to be infected. Other factors such as lactation number, stage of lactation, and season of the year have only minor influences by comparison. Stresses of various types may aggravate the SCC level in a quarter which is already infected, but there is little evidence that any factor other than normal diurnal variation has a major influence on SCC in the absence of intramammary infection. An effective mastitis control program minimizes the opportunity to transmit infections from cow to cow, reduces stress upon the cow, teat and teat canal, and encourages maximal milk production.
AB  - U ovom preglednom radu razmatrani su, na osnovu literaturnih podataka, efekti pojedinih faktora na broj somatskih ćelija (BSĆ). Različita istraživanja u proteklih 30 godina odnose se na promenu BSĆ u mleku i mogućnost njihovog korišćenja za praćenje kvaliteta mleka. Poznato je da je infekcija mlečne žlezde glavni faktor koji utiče na BSĆ, i to na nivou četvrti, vimena krave i zbirnog mleka. Većina ispitivanja ukazuje da krave sa BSĆ ispod 200.000 ćelija/ml verovatno nisu inficirane glavnim uzročnicima mastitisa, za razliku od krava čiji je BSĆ 300.000 ili veći. Drugi faktori, kao što je broj, faza laktacije i sezona, imaju manji uticaj. Stres različitog tipa može pogoršati BSĆ već inficirane četvrti, ali malo je podataka da bilo koji faktor koji ne predstavlja normalne dnevne varijacije ima značajan uticaj na BSĆ u odsustvu intramamarne infekcije. Efikasan program kontrole mastitisa smanjuje mogućnost prenošenja infekcije s krave na kravu, smanjuje uticaj stresora na kravu, papile i sisni kanal i podstiče maksimalnu proizvodnju mleka.
PB  - Institut PKB Agroekonomik, Padinska skela
T2  - Zbornik naučnih radova Instituta PKB Agroekonomik
T1  - Influence of some factors on somatic cell counts in cow milk
T1  - Uticaj pojedinih faktora na broj somatskih ćelija u mleku krava
EP  - 57
IS  - 3-4
SP  - 47
VL  - 12
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1252
ER  - 
@article{
author = "Hristov, Slavča and Relić, Renata and Stanković, Branislav and Vuković, Dejan",
year = "2006",
abstract = "In the review paper the effect of some factors on somatic cell counts (SCC) on the base of literature data are discussed. Several studies over the past 30 years have addressed issues surrounding SCC, their variation, and the potential use of SCC for monitoring milk quality. Clearly the major factor affecting SCC is a mammary gland infection and this holds true at the quarter, cow, or bulk tank level. Most studies suggest that cows with SCC less than 200,000 cells/ml are not likely to be infected with major mastitis pathogens, while cows with SCC of 300,000 or greater are very likely to be infected. Other factors such as lactation number, stage of lactation, and season of the year have only minor influences by comparison. Stresses of various types may aggravate the SCC level in a quarter which is already infected, but there is little evidence that any factor other than normal diurnal variation has a major influence on SCC in the absence of intramammary infection. An effective mastitis control program minimizes the opportunity to transmit infections from cow to cow, reduces stress upon the cow, teat and teat canal, and encourages maximal milk production., U ovom preglednom radu razmatrani su, na osnovu literaturnih podataka, efekti pojedinih faktora na broj somatskih ćelija (BSĆ). Različita istraživanja u proteklih 30 godina odnose se na promenu BSĆ u mleku i mogućnost njihovog korišćenja za praćenje kvaliteta mleka. Poznato je da je infekcija mlečne žlezde glavni faktor koji utiče na BSĆ, i to na nivou četvrti, vimena krave i zbirnog mleka. Većina ispitivanja ukazuje da krave sa BSĆ ispod 200.000 ćelija/ml verovatno nisu inficirane glavnim uzročnicima mastitisa, za razliku od krava čiji je BSĆ 300.000 ili veći. Drugi faktori, kao što je broj, faza laktacije i sezona, imaju manji uticaj. Stres različitog tipa može pogoršati BSĆ već inficirane četvrti, ali malo je podataka da bilo koji faktor koji ne predstavlja normalne dnevne varijacije ima značajan uticaj na BSĆ u odsustvu intramamarne infekcije. Efikasan program kontrole mastitisa smanjuje mogućnost prenošenja infekcije s krave na kravu, smanjuje uticaj stresora na kravu, papile i sisni kanal i podstiče maksimalnu proizvodnju mleka.",
publisher = "Institut PKB Agroekonomik, Padinska skela",
journal = "Zbornik naučnih radova Instituta PKB Agroekonomik",
title = "Influence of some factors on somatic cell counts in cow milk, Uticaj pojedinih faktora na broj somatskih ćelija u mleku krava",
pages = "57-47",
number = "3-4",
volume = "12",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1252"
}
Hristov, S., Relić, R., Stanković, B.,& Vuković, D.. (2006). Influence of some factors on somatic cell counts in cow milk. in Zbornik naučnih radova Instituta PKB Agroekonomik
Institut PKB Agroekonomik, Padinska skela., 12(3-4), 47-57.
https://hdl.handle.net/21.15107/rcub_agrospace_1252
Hristov S, Relić R, Stanković B, Vuković D. Influence of some factors on somatic cell counts in cow milk. in Zbornik naučnih radova Instituta PKB Agroekonomik. 2006;12(3-4):47-57.
https://hdl.handle.net/21.15107/rcub_agrospace_1252 .
Hristov, Slavča, Relić, Renata, Stanković, Branislav, Vuković, Dejan, "Influence of some factors on somatic cell counts in cow milk" in Zbornik naučnih radova Instituta PKB Agroekonomik, 12, no. 3-4 (2006):47-57,
https://hdl.handle.net/21.15107/rcub_agrospace_1252 .