Herring Fecundity and Histology Services (F5211-200362)

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Tender Notice - Request for Proposal (RFP)


Days until closing
1 week 4 days hence


Publication date
Amendment date
Date closing
2020/11/04 14:00 Atlantic Standard Time (AST)


Region of delivery
  • New Brunswick
  • Nova Scotia
End user entity
Fisheries and Oceans Canada
Procurement entity
Fisheries and Oceans Canada
Region of opportunity
  • New Brunswick
  • Nova Scotia
Tendering procedure
Trade agreement
  • None
Reference number
Solicitation number


Herring Fecundity and Histology Services

1.2 Contract Period


The Period of this contract is from contract award through to March 31, 2021


1.3 Introduction

Fisheries and Oceans Canada (DFO) is conducting a study to estimate fecundity and evaluate reproductive development of Atlantic herring throughout the spawning season on two spawning grounds in the Southwest Nova Scotia / Bay of Fundy area. This project involves estimating the fecundity of herring by counting a subsample of oocytes, preparing a histological section of a sample of ovarian tissue on a microscope slide for microscopic evaluation, and measuring and staging oocytes on the prepared microscope slide, and estimating dry egg mass.

The proposed contract will support laboratory costs for preparing histology slides and scientific labour costs associated with processing samples.

1.4 Objectives of the Requirement

The objectives for the contracted work are to:

  • Provide an estimate of fecundity in a spreadsheet by fish identification number.

  • Prepare a histological section of a sample of ovarian tissue sectioned at an appropriate thickness and stained with hematoxylin and eosin.

  • Provide oocyte diameter measurements and developmental stages for all vitellogenic oocytes sectioned through the nucleus on each slide and provide measurements of the ovarian wall thickness when the ovarian wall appears on the slide.

  • Estimate oocyte dry mass from a sample of hydrated oocytes.

Contact information

Contact name
Walker, Kimberly
Contact email
Contact phone
Contact address
301 Bishop Drive
Fredericton  NB
E3C 2M6


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Solicitation documents

FileAmendment numberLanguageUnique download event (English page)Date added
rfp_-_f5211-200362_-_final_en.pdf000English- 2020-10-16
rfp_-_f5211-200362_-_final_fr.pdf000French- 2020-10-16

Physical attachment

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