{"id":2961,"date":"2022-02-07T01:20:04","date_gmt":"2022-02-07T01:20:04","guid":{"rendered":"https:\/\/deptest.nj.gov\/njfw\/?page_id=2961"},"modified":"2023-03-15T16:31:09","modified_gmt":"2023-03-15T20:31:09","slug":"trapnetting-and-spawning-broodstock-for-the-hackettstown-hatchery","status":"publish","type":"page","link":"https:\/\/deptest.nj.gov\/njfw\/fishing\/freshwater\/trapnetting-and-spawning-broodstock-for-the-hackettstown-hatchery\/","title":{"rendered":"Trapnetting and Spawning Broodstock for the Hackettstown Hatchery"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignright size-large is-resized\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Budd_lake_trapnet-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Budd_lake_trapnet-scaled.jpg\" alt=\"\" width=\"400\" height=\"320\" \/><\/a><figcaption>Trap Net set for Northern Pike on Budd Lake.<\/figcaption><\/figure><\/div>\n\n\n\n<p>The Hackettstown Hatchery&#8217;s busy trapnetting season kicks off with the melting of ice on lakes and reservoirs in mid-March and runs through the end of April. The open water allows hatchery technicians to set trap nets for the collection of northern pike, muskellunge and walleye broodstock. The eggs from these fish are hatched in incubators and the fry raised to fingerling size (up to 10&#8243;) for stocking in public waters.<\/p>\n\n\n\n<p>Broodstock collected during the trap netting season are brought back to the hatchery where the spawning operations take place. Upon arrival the fish are separated by gender (male and female) and ripeness (degree of egg development). Also during their short stay at the hatchery information such as length, weight and any fish markings, such as fin clips or tags, are recorded.<\/p>\n\n\n\n<p>The fish will be returned to the their respective body of water after spawning operations are completed.<\/p>\n\n\n\n<p>At the hatchery the fish will be anesthetized (put to sleep) by adding the drug tricaine to a tub of water and placing the fish in the tub. The fish are then manually stripped of their eggs and milt (fluid containing sperm) which are mixed into a bowl. This allows fertilization to occur. The fertilized eggs are then water-hardened, counted and measured into hatching jars. Eggs will hatch in 10-15 days.<\/p>\n\n\n\n<p>For accounts of the past few years&#8217; broodstock collection see the links on the&nbsp;<a href=\"https:\/\/deptest.nj.gov\/njfw\/fishing\/freshwater\/the-charles-o-hayford-state-fish-hatchery-in-hackettstown\/\">Hackettstown Hatchery page<\/a>. For enlarged photos of the thumbnails below, click on the image.<\/p>\n\n\n\n<div style=\"width: 100%;max-width: 1000px;padding-top: 25px\"><\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"6758\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1-1024x768.jpg\" alt=\"\" class=\"wp-image-6758\" srcset=\"https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1-1024x768.jpg 1024w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1-300x225.jpg 300w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1-768x576.jpg 768w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Hatching_Northern_Pike_fry-1.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Hatchling Northern Pike fry<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/extract_milt_np-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/extract_milt_np-scaled.jpg\" alt=\"\" \/><\/a><figcaption>Extracting milt from a male Northern Pike<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Stripping_eggs_np-1-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Stripping_eggs_np-1-scaled.jpg\" alt=\"\" \/><\/a><figcaption>Stripping eggs from a female Northern Pike<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/walleye_eggs-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/walleye_eggs-scaled.jpg\" alt=\"\" \/><\/a><figcaption>Eight million walleye eggs<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Spawning_walleyes.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" data-id=\"6754\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Spawning_walleyes-819x1024.jpg\" alt=\"\" class=\"wp-image-6754\" srcset=\"https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Spawning_walleyes-819x1024.jpg 819w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Spawning_walleyes-240x300.jpg 240w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Spawning_walleyes-768x960.jpg 768w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Spawning_walleyes.jpg 1424w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><\/a><figcaption>Spawning Walleyes: milt (left) and eggs (right)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Fertilizing_Walleye_eggs-1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" data-id=\"6757\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Fertilizing_Walleye_eggs-1-1024x819.jpg\" alt=\"\" class=\"wp-image-6757\" srcset=\"https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Fertilizing_Walleye_eggs-1-1024x819.jpg 1024w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Fertilizing_Walleye_eggs-1-300x240.jpg 300w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/Fertilizing_Walleye_eggs-1-768x614.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Fertilizing Walleye eggs<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Swartswood_Lake_Walleyes-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Swartswood_Lake_Walleyes-scaled.jpg\" alt=\"\" \/><\/a><figcaption>Walleye broodstock collected from Swartswood Lake<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Fish_inside_trapnet-scaled.jpg\"><img decoding=\"async\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/Fish_inside_trapnet-scaled.jpg\" alt=\"\" \/><\/a><figcaption>Inside view of fish caught in a trap net<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/northernspawn.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"575\" data-id=\"2964\" src=\"https:\/\/deptest.nj.gov\/njfw\/wp-content\/uploads\/njfw\/northernspawn.jpg\" alt=\"Stripping northern pike\" class=\"wp-image-2964\" srcset=\"https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/northernspawn.jpg 800w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/northernspawn-300x216.jpg 300w, https:\/\/deptest.nj.gov\/wp-content\/uploads\/njfw\/northernspawn-768x552.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption>Northern pike stripped as milt is added<\/figcaption><\/figure>\n<\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>The Hackettstown Hatchery&#8217;s busy trapnetting season kicks off with the melting of ice on lakes and reservoirs in mid-March and runs through the end of April. The open water allows hatchery technicians to set trap nets for the collection of northern pike, muskellunge and walleye broodstock. The eggs from these fish are hatched in incubators [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2961","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/pages\/2961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/comments?post=2961"}],"version-history":[{"count":0,"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/pages\/2961\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/pages\/12"}],"wp:attachment":[{"href":"https:\/\/deptest.nj.gov\/njfw\/wp-json\/wp\/v2\/media?parent=2961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}