Pak Dairy Info
Pakistan's 1st Online Dairy Farming Guide

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Contents

Introduction

Breeds

Selection of Animals

Farm Building

Management

Record Keeping

Sanitation & Hygiene

Nutrition

Reproduction

Breeding

Health

Body Condition Scoring

Milk Quality

Feasibility

Terminologies

Directory

Picture Gallery

Lethals & other Abnormalities

Most of the genetically transmitted lethal traits cause death of the calves prior to or shortly after birth. Numerous cases of such abnormalities are on record. Most of the lethal traits are recessive and may remain hidden for many generations. The removal of lethal genes requires test matings and rigid selection. Ideally, purebred animals should be free of both undesirable and lethal genes. This is possible only by eliminating those sires and dams that carry the undesirable recessive character. In addition, producers must DNA test both phenotypically abnormal and normal offspring produced by these sires and dams because approximately half of the normal animals carry the undesirable character in the recessive condition.

 

 
 

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