Published June 15, 2015 | Version v1
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EVALUATION OF COW'S ENERGY STATUS CHANGES DURING EARLY LACTATION BASED ON THE CONCENTRATIONS OF ORGANIC MILK INGREDIENTS

Creators

  • 1. University of Banjaluka, Faculty of Agriculture
  • 2. University of Novi Sad, Faculty of Agriculture
  • 3. University of Bihać, Biotechnical Faculty

Description

The aim of the study was to evaluate the energy status of cows (n=132) based on the concentration of organic milk constituents during early lactation. Cows were divided into three groups according to the stage of lactation (group A, n=43, 15-30 DIM; group B, n=33, 31-45 DIM; group C, n=56, 46 to 60 DIM). Concentrations of milk fat and protein and the milk fat: protein ratio tended to decrease, and the concentration of urea had increased towards to the end of the evaluated period. Statistically significant differences were found in concentrations of milk fat (41.58±37.15 vs. 37.15±3.63 and 36.11±4.57 g/L, respectively), urea (2.86±0.50 vs. 3.48±0.69 and 3.61±0.56 mmol/L, respectively) in all three groups, and milk fat : protein ratio in the group A compared to the other two groups, and also in lactose concentration between groups A and B (47.14±01.29 vs. 47.71±1.4 g/L). The ratio of the concentration of milk fat and protein, as well as relations between urea and protein showed a strong energy deficit in all tested cows, with more or less pronounced deficit or relative surplus of protein. Such condition negatively affects health status and milk production of evaluated cows, as well as their reproductive performance.

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References

  • DRACKLEY, J.K.: Biology of dairy cows during the transition period: the final frontier? J. Dairy Sci., 82:2259-2273, 1999.
  • GOFF, J.P.: Major advances in our understanding of nutritional influences on bovine health. J. Dairy Sci., 89:1291-1301, 2006.
  • HORVAT, J., KIROVSKI, DANIJELA, ŠAMANC, H., DIMITRIJEVIĆ, B., KIŠKAROLJ, F., BEČKEI, Ž., KILIBARDA, NATAŠA: Procena energetskog statusa krava sa područja Subotice određivanjem organskih sastojaka mleka. Zbornik radova XI regionalnog savetovanja iz kliničke patologije i terapije životinja "Clinica Veterinaria 2009", Subotica, 19.-21. jun, 2009, 99-101.
  • HORVAT, J., ŠAMANC, H., KIROVSKI, DANIJELA, KATIĆ, VERA (2007): Zdravstveni poremećaji visokomlečnih krava u ranoj fazi laktacije i uticaj na higijensku ispravnost sirovog mleka, Veterinarski specijalistički institut Subotica
  • JONKER, J.S., KOHN, R.A.: Using milk urea nitrogen to evaluate diet formulation and environmental impact on dairy farms. Scientific World Journal, 18, Suppl. 2., 852-859, 2001.
  • JOVIČIN, M., ŠAMANC, H., MILOVANOVIĆ, A., KOVAČEVIĆ, MIRA: Određivanje telesne kondcije životinja. Zbornik radova IV simpozijuma "Ishrana, reprodukcija i zaštita zdravlja goveda – Etiopatogeneza i dijagnostika poremećaja metabolizma reprodukcije goveda", Subotica, 27. septembar – 01. oktobar, 2005., 217-231.
  • KAMPL, B.: Pokazatelji energetskog deficita mlečnih krava u mleku i njihovo korišćenje u programu zdravstvene preventive i intenziviranja proizvodnje i reprodukcije. Zbornik radova IV simpozijuma "Ishrana, reprodukcija i zaštita zdravlja goveda – Etiopatogeneza i dijagnostika poremećaja metabolizma reprodukcije goveda", Subotica, 27. septembar – 01. oktobar, 2005., 261-267.
  • KIROVSKI, DANIJELA, ŠAMANC, H., PRODANOVIĆ, R.: Procena energetskog statusa krava na osnovu koncentracije masti, proteina i uree u mleku, Veterinarski glasnik, 66:1-2,97-110, 2012.
  • MARENJAK, T.S., POLJIČAK-MILAS, NINA, STOJEVIĆ, Z.: Svrha određivanja koncentracije ureje u kravljem mlijeku. Praxis Veterinaria, 52:233-241, 2004.
  • MULLIGAN, F., O'GRADY, L., RICE, D., DOHERTY, D.: Production disease of the transition cow: Body condition score and energy balance. Irish Veterinary Journal, 59(9)505-510, 2006.
  • SAVIĆ, Đ., KASAGIĆ, D., JOTANOVIĆ, STOJA, MATARUGIĆ, D., ŠARIĆ, M., MIJATOVIĆ, R.: Procjena energetskog statusa krava u ranoj laktaciji na osnovu određivanja organskih sastojaka mlijeka. Agroznanje, 12(1)67-74, 2011.
  • SAVIĆ, Đ., MATARUGIĆ, D., DELIĆ, N., KASAGIĆ, D., STOJANOVIĆ, M.: Određivanje organskih sastojaka mleka kao metoda ocene energetskog statusa mlečnih krava. Veterinarski glasnik, 64:1-2, 21-32, 2010.
  • SINOVEC, Z.: Uloga ishrane u etiopatogenezi zdravstvenih poremećaja krava u peripartalnom periodu. Veterinarski glasnik 57, 3-4, 137-148. 2003.
  • STAMATOVIĆ, S., ŠAMANC, H., JOVANOVIĆ, M.: Uporedno ispitivanje koncentracije glikoze u krvi v. auricularis magna i v. subcutanea abdominis mlečnih krava. Veterinarski glasnik, 37(4)243-256, 1983.
  • ŠAMANC, H., KIROVSKI, DANIJELA, DIMITRIJEVIĆ, B., VUJANAC, I., DAMNJANOVIĆ, Z., POLOVINA, M.: Procena energetskog statusa krava u laktaciji određivanjem organskih sastojaka mleka. Veterinarski glasnik, 60(5-6)283-297, 2006.
  • ŠAMANC, H., SINOVEC, Z., CERNESCU, H. (2005): Osnovi poremećaja energije visokomlečnih krava. Zbornik radova IV simpozijuma "Ishrana, reprodukcija i zaštita zdravlja goveda – Etiopatogeneza i dijagnostika poremećaja metabolizma reprodukcije goveda", Subotica, 27. septembar – 01. oktobar, 2005., 89-101.