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Ray R. Carter

Publications and source records attributed to Ray R. Carter.

12 recordsLinked to original sources
USGS1988

Daily variation in feed consumption by channel catfish

Daily feed consumption by 0.09‐lb channel catfish ( Ictalurus punctatus ) stocked at 50 and 75 lb offish per 0.25‐acre pond, and by 0.57‐lb channel catfish stocked at 100 and 200 lb offish per 0.25‐acre pond, was measured for 157 d. Demand feeders were used to determine feed consumption. Feed consumption routinely varied, on successive days, an average of 61 and 31%, for the 0.57‐lb fish stocked at the higher and lower rates, respectively, and 58% for both stocking densities of the 0.09‐lb fish.

Progressive Fish-Culturist↗
USGS1979

Survival of one- and two-year-old monosex grass carp in small ponds

Limited information has become available on the survival of monosex (female) grass carp (Ctenopharyngodon idella) reared in earthen ponds. Monosex fish produced in 1975 (Stanley 1976) were reared 27 months in earthen ponds at the Fish Farming Experimental Station, Stuttgart, Arkansas. Periodic transfers of these fish to different ponds afforded the opportunity to obtain survival information. Thomas and Carter (1977) reported first-year survival percentages of 22.9 to 60.2% (average 34%) for fry stocked in six 0.1-ha ponds in June and July 1975 in a test of different stocking densities and pond conditions. Overall, of 31,887 3-mm fry stocked. 10,035 survived to reach the large fingerling stage (80-250 mm) when they were removed from the ponds in April 1976.

Progressive Fish-Culturist↗
USGS1978

Discharge of solids from fish ponds

Water samples were collected from effluents of fish ponds and analyzed for settleable, nonsettleable, and suspended solids . Fish biomass in ponds was not consistently associated with amounts of settleable or nonsettleable solids , but was correlated with amounts of suspended solids . The amount of solids discharged was relatively small, suggesting little or no pollution of receiving waters.

Progressive Fish-Culturist↗
USGS1977

Survival of monosex grass carp in small ponds

Little information is available on the survival of grass carp (Ctenopharyngodon idella) in ponds &mdash especially on the survival of fry to large fingerling stage, during the time when the most mortality would be expected. Development of monosex (all female) grass carp at the Fish Farming Experimental Station by the technique of artificial gynogenesis (Stanley et al. 1975) enabled us to observe survival to the large fingersling stage under several stocking densities and pond conditions. These limited observations, made incidentally to other studies, may provide clues for the development of management techniques to reduce mortality. Monosex fry were used in these observations, but there is no reason to suppose that survival of bisexual fry would have been different.

Progressive Fish-Culturist↗