The Impact of Adaptive Performance on Holstein Breeding in Northern Thailand

The Impact of Adaptive Performance on Holstein Breeding in Northern Thailand

Nattaphon Chongkasikit

Doctoral thesis

Date of Examination: 2002-11-14

Date of issue: 2003-04-07

Advisor: Langholz, Hans-Jürgen Prof. Dr.

Referee: Meulen, Udo ter Prof. Dr.

Referee: Hörstgen-Schwark, Gabriele Prof. Dr.

Persistent Address: http://hdl.handle.net/11858/00-1735-0000-0006-AB50-8

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Abstract

English

Actual production and breeding status of a Northern Thai dairy herd (Holstein) was investigated in order to identify data basis for developing sustainable breeding concept for the local breeding. Field data on dairy production, reproductive performance, breeding structure and adaptive indicators were collected from 2764 cows on 252 farms.

Keywords: Cattle; Breeding; Selection

Other Languages

Statusanalyse der Zucht- und Produktionsstrukturen incl. Adaptationsleistung in der Milchviehzucht Nordthailands für die Entwicklung eines eigenständigen Besamungszuchtprogramms für die lokale Holsteinzucht erhoben auf 252 Milchviehbetrieben mit 2764 Kühen.

Schlagwörter: Milchrind; Zucht und Haltung; Selektion