AI in poultry is a three-step procedure involving semen collection, semen dilution and insemination.\u00a0 The second step may be omitted if ‘neat’ semen (undiluted) is to be used for inseminations within 30 minutes after collection.<\/p>\n
Semen collection<\/strong><\/p>\n The first step in AI program is manual collection (milking) of the semen.\u00a0 For semen collection, a team of two members are generally involved, one for restraining the male and the other for collecting semen.<\/p>\n The bird is held in a horizontal position by a person at a height convenient to the operator who is attempting to collect the semen.\u00a0 To collect semen the operator should place the thumb and index finger of the left hand on either side of the cloaca and massage gently.\u00a0 By his right hand the operator should hold a collecting funnel and with the thumb and index finger massage the soft part of abdomen below the pelvic bones.\u00a0 Massage should be rapid and continuous until the cock protrudes the papilla from the cloaca. Once the papilla is fully protruded, the previously positioned thumb and index finger of the left hand are used to squeeze out the semen in to the collecting funnel.\u00a0 Avoid contamination of semen with faeces and\u00a0 feather.<\/p>\n Semen evaluation at the time of collection<\/p>\n Normal colour of the semen in pearly white or cream coloured.\u00a0\u00a0 Yellow semen and semen contaminated\u00a0 with blood, urates, faeces or other debris should be avoided.<\/p>\n Do not allow semen to contact water.<\/p>\n If debris or contaminants are observed in pooled semen, carefully aspirate contaminates from the sample before mixing with additional diluent with the semen<\/p>\n Place the diluted semen in a cooler or refrigerator (3 to 12 oC) to cool down.<\/p>\n Insemination:<\/strong><\/p>\n All equipment used for insemination should be thoroughly cleaned and dry before use. Insemination must be carried out when majority of the birds completed laying since a hard shelled egg in the lower end of the oviduct obstructs insemination and lowers fertility.\u00a0 In practice, inseminating chicken after 3 pm obtains\u00a0better results.\u00a0 In turkey flocks much better results are obtained if insemination is done after 5 pm. It is difficult to inseminate non-laying hens.\u00a0 Usually insemination is done when the flock reaches 25% egg production.\u00a0 Hens are inseminated twice during first week.\u00a0 Then at weekly intervals.<\/p>\n Procedure:<\/strong><\/p>\n Bird is held by the legs with the left hand down and tail tucked back and against the operator chest.<\/p>\n The thumb of the right hand is placed against the upper lip of the vent then with a rounding motion press the abdomen muscle.<\/p>\n Do not squeeze with fingers but apply pressure evenly with the palm of the hand. When the oviduct is everted, the second operator inserts the syringe into oviduct as far as it is going inside without exerting pressure.\u00a0 The insemination apparatus is introduced into the vagina about 1 inch and semen is deposited at the junction of vagina and uterus.<\/p>\n","protected":false},"excerpt":{"rendered":" AI in poultry is a three-step procedure involving semen collection, semen dilution and insemination.\u00a0 The […]<\/p>\n","protected":false},"author":1,"featured_media":4476,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chicken"],"_links":{"self":[{"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/posts\/4475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/comments?post=4475"}],"version-history":[{"count":0,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/posts\/4475\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/media\/4476"}],"wp:attachment":[{"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/media?parent=4475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/categories?post=4475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jaguzafarm.com\/support\/wp-json\/wp\/v2\/tags?post=4475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}