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Now showing items 11-20 of 27
Rumination activity and its alteration in ill cows
(2010)
This study is investigating the rumination activity and its alteration in ill cows, was performed by Efrat Gingis, in the framework of thesis writing for DVM academic degree. There is a well-proven two-way relationship ...
Effect of keeping system on fertility and milk production in small dairy farms (<100 cows) in Switzerland and a large scale dairy farm (>500 cows) in Hungary
(2010)
Due to the higher milk yield and thus shorter estrus and lower fertility, the heat of the Hungarian Holstein cow is more difficult to detect and needs a higher amount of AI/ pregnancy as the Swiss dairy cows. Contributing ...
Norwegian Red, its characteristics and use in international crossbreeding
(2010)
The international dairy industry has for decades been breeding for a Holstein Friesian cow that has the highest milk yield possible, but this has also led to several problems. As a consequence of this single minded breeding ...
A hőstressz tejtermelésre kifejtett hatásainak vizsgálata egy hazai Holstein-fríz szarvasmarha állományban
(2010)
Szakdolgozatomban egy hazai Holstein-fríz szarvasmarha állományt érő hőstressz előfordulási gyakoriságát, és a hőstressz tejtermelésre kifejtett hatását vizsgáltam. Méréseimet 2009. július 7. – 2009. szeptember 16. , illetve ...
Tőgyegészségügyi programok hatékonyságának vizsgálata egy tejhasznú tehenészetben
(2010)
Nemzetközi tapasztalatok szerint a tejtermelő tehenészetekben állományszinten a tőgygyulladás a legnagyobb gazdasági veszteségeket okozó produkciós betegség. Az eddig elvégzett hazai gazdasági számítások alapján tőgygyulladás ...
Mastitis and Udder Health in a Dairy Herd of Swedish Holstein and Swedish Red and White Dairy Cattle
(2010)
The main production loss in today’s dairy industry is due to udder diseases and more specifically mastitis, which on its own constitute for more than half of all veterinary treatments within the Swedish dairy industry. The ...
Occurrence of subclinical metabolic diseases in dairy cows
(2010)
The focus of veterinarians in the field of dairy cattle has shifted greatly in recent years. The main objective is now on preventing disease before it happens rather than treating clinically ill animals. Although this is ...
Reproduction performance and postpartum disease in different managed dairy cattle farms in Norvay
(2010)
In conclusion, there is a lower reproductive efficiency in the tethered herds, with higher calving interval, CFI, CLI, number of AI and non return rates, compared to the free kept herds in the given areas of Norway. The ...