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Characteristics of milk flow at machine milking of cows in Croatia (CROSBI ID 483348)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Mijić, Pero ; Knežević, Ivan ; Caput, Pavo ; Čurik, Ino Characteristics of milk flow at machine milking of cows in Croatia // Book of Abstracts of the 52nd Annual Meeting of the European Association for Animal Production / Aumaitre, A.L. (ur.). Budimpešta: EAAP - European Association for Animal Production, 2001. str. 52---

Podaci o odgovornosti

Mijić, Pero ; Knežević, Ivan ; Caput, Pavo ; Čurik, Ino

engleski

Characteristics of milk flow at machine milking of cows in Croatia

This research was designed to estimate the realisation of the breeding aim for the property of milk flow according to the breeding programme up to 2000 (Caput et al. 1983), as well as the possibility of improving the breeding treatments in cattle production. The investigations have been conducted at four localities, two breeds and altogether 538 cows, which were subject to 2.594 measurings. Statistical data processing has been performed by means of the SAS programme. The distribution of milk flow speed at an optimum range for the Simmenthal breed was only 38.92%, whereas for the Holstein breed it was 56.58%. For the Holstein breed a significant influence (P Ł 0.001) was estimated regarding all variability sources except the lactation stage, whereas for the Simmenthal breed the significance (P Ł 0.001) was estimated between the herd and the lactation. Correlation coefficients between milk quantity and milk flow for Holstein (rp= 0, 389) and Simmental breeds (rp= 0, 492) were positive.The corrected milk flow for the Holstein breed was 2.86 kg/min, whereas the values for the Simmenthal breed amounted to 1.94 kg/min. Results of the corrected milk flow obtained by these investigations were for both breeds higher than the values anticipated by the breeding aim for 0.66 kg/min at the Holstein breed and 0.44 kg/min at the Simmenthal breed.

milk flow ; machine milking ; cows ; Croatia

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Podaci o prilogu

52---.

2001.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts of the 52nd Annual Meeting of the European Association for Animal Production

Aumaitre, A.L.

Budimpešta: EAAP - European Association for Animal Production

Podaci o skupu

52nd European Association for Animal Production

poster

26.08.2001-29.08.2001

Budimpešta, Mađarska

Povezanost rada

Šumarstvo