Breeding should be done from parents which conform as closely as possible to the required standard. ... egg production industry is outlined and the impetus given to this new commercial venture by the application of genetic principles, described. By industry 4 0 obj <> The Poultry Industry. Breeding should be purposive and the breeder should know the purpose of the breeding and the standard to which the birds are to be bred. Feeding 3. Under ideal lighting and heating conditions, female chickens may produce one egg every 23–26 hours. 1. The present poultry breeding, therefore, involves both pure-line selection (PLS) and crossbreeding program. %PDF-1.7 endstream ... egg production industry is outlined and the impetus given to this new commercial venture by the application of genetic principles, described. Principles of commercial poultry breeding; a semi-technical account of recent developments in genetics applied to breeding for the improvement of economic traits in poultry. endobj .u@����47+�l���9���A �����!���A9�lX�z��� :�]��&Y�9N�@��q�0M��A�&�"M��9H���4��F�K�$��*M�����;�\���x�5`�����&����q�6o�L�?���&G^�k�l���q���8�� C%�� 9��⢟��z-@�)$L�Xk�#C?�&���^�����t%޼��h@�\�Qh��#���܏��7�~��[2�����}�� �Qo�oT�;�6(Bx�u*F�͊��g �P(���ݚEG������T��y� v�ݬ_�R%Q,�%W���\��ա�_!���c�]�h�3�ʳ1�ZD��,�I(�������q�UU����ȜN���d.����[D*���K�?���h�����Ao���>+rϬ�S��Ӭ'Pl0F6��0���ڥ)v���r�Ś��(��V#3�b����}��l���Q�:�Ĺ (�Yw�%���f�����$ <> The color of the birds feathers, growth rate, and sex of the bird are all genetically controlled characteristics. Development of transgenic chicken. Incubation. %���� �@E��w��3��� .�jQ�\��"�+�����>��Mrs��k�`2��d����lj��f����q��&)j#2��sY�+)v4RązΪUd=��� �e�Tē3/fy������n��2)�=�(�R��r+f�Л/��Av���y3�B�FLAl��;��:��:���Y�˺b%���� �8� PRINCIPLES OF BREEDING An article by Jull in the 1936 Yearbook of Agriculture^ contains a thorough discussion of the principles of breeding, the use of inbreeding and cross-breeding, breeding for disease resistance, and other aspects of poultry breeding that apply to ducks no less than to chickens. 1. <> Covering commercial poultry species. (S) ANSC 451. READ Poultry: choose the right bedding for better broilers The long sides must also have an opening that runs the lengt… As the sun rises, the house is heated evenly and chickens do not compete for heat as a uniform environment is created. The poultry meat sector is also reviewed. SELECTION OF BREEDINGSELECTION OF BREEDING FLOCKFLOCK. From Mendel to multi-national in poultry breeding - Volume 45 Issue 1 - Werner Hartmann. Purebred performance and crossbred performance (rpc) are treated as genetically correlated traits assuming the infinitesimal model . endobj endobj Selection and Improvement. endobj <> Principles of commercial poultry breeding; a semi-technical account of recent developments in genetics applied to breeding for the improvement of economic traits in poultry. Altho this bulletin will deal with linebreeding for higher egg production, the same principles will apply for increasing hatchability, egg size and body weight. <> The Society for the Preservation of Poultry Antiquities (SPPA) is happy to offer breeding guidance to members. A nearby stone waterfall and flourishing flowers adds character to this already uniquely beautiful outdoor space! <> A “complete” feed program for growing stock, particularly for laying and breeding stock, is also highly recommended. The selection and breeding may be for bird size, mature weight, growth rate (daily live- weight gain), age at coming into lay, annual egg production, weight of egg, hatchability, viability of chicks, meat quality, efficiency Objectives of Poultry BreedingObjectives of Poultry Breeding • To increase annual egg prodution potenial of hen • To increase meat production per broiler • To increase feed conversion efficiency for more egg and meat per bird • To increase quality of meat and egg. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 14 0 R/Group<>/Tabs/S/StructParents 1>> usefulnss in poultry breeding. Animal husbandry – agricultural practice of breeding and raising livestock. Breeding should be purposive and the breeder should know the purpose of the breeding and the standard to which the birds are to be bred. 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