Cruise inventory

RV Ernest Holt 11A/69

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier11A/69
Cruise period1969-12-01 — 1969-12-05
StatusCompleted
Port of returnGreat Yarmouth, United Kingdom
PurposeResearch
Objectives1. To collect live plaice for genetic and hatchery use.
2. To collect pituitary glands from mature cod.
3. To attempt pituitary-induced spawning of plaice at sea.
4. To collect offshore water for the laboratory.
5. To make chromosome preparations of cod, whiting and other gadoids.
6. To collect live soles (smallish) for Mr Bromley.
7. To collect blood samples (20 per station) for Dr Jamieson.
8. To collect shell glands from rays (thornback and spotted) 2 per
station, for Mr Holden.
9. To collect herring eggs if available for Mr Wallace.
10. To deep freeze mackerel for Mr Bolster.
11. To collect dogfish serum for Professor Alexander.
Chief scientistColin E Purdom (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 11A/69 cruise report ernest_holt11a_69.pdf — access key 'C' (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
Measurements 
Chemical oceanography 
Other chemical oceanographic measurementsDescription: collect offshore water samples
Biology and fisheries 
Biochemical measurements (eg lipids, amino acids)Description: pituitary glands from cod
Biochemical measurements (eg lipids, amino acids)Quantity: number of samples = 90
Description: cod blood
Demersal fishDescription: live plaice collected
Other biological/fisheries measurementQuantity: number of specimens = 4
Description: ray shell glands
Other biological/fisheries measurementDescription: spurdog serum collected
Other biological/fisheries measurementDescription: chromosome preparations for cod, haddock and other gadoids