CN104585092A - Carp satiation amount measurement method - Google Patents
Carp satiation amount measurement method Download PDFInfo
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- CN104585092A CN104585092A CN201510019210.XA CN201510019210A CN104585092A CN 104585092 A CN104585092 A CN 104585092A CN 201510019210 A CN201510019210 A CN 201510019210A CN 104585092 A CN104585092 A CN 104585092A
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- carp
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- satiated
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a carp satiation amount measurement method. The carp satiation amount measurement method comprises the following steps: carrying out individual marking on carps to be detected; then putting the carps into an aquarium and feeding; during a breeding period, feeding at regular time every day until the carps are domesticated; stopping feeding the domesticated carps for one day; anesthetizing each carp and weighing the weight and recording; then putting the carps into the other aquarium with the same feeding conditions for temporarily feeding; not feeding a feed in a process of temporarily feeding the carps and removing carp excrement in time; during the process of temporarily feeding the carps, anesthetizing each carp for one time at regular time every day, and weighing the weight and recording; after weighing, continually breeding; analyzing a weighing and recording result; when the weight of each carp is not changed, starting to feed the excessive feed again until the carps do not eat; fishing out the carps and anesthetizing; weighing the weight of each carp and recording; and finally, calculating the weight difference between the carps with empty stomachs and the carps with full stomachs to obtain the satiation amount of each carp. The satiation amount of each carp can be determined under the condition that the carps are not damaged.
Description
Technical field
The invention belongs to fish culture, breeding technical field, relate to a kind of carp and to be satiated with food quantity measuring method.
Background technology
Carp (Cyprinus carpio L.) is one of main aquaculture kind in the world, and in the world, all there is cultivation in more than 100 country.China's carp culture has the history of more than 4000 year, and current production rate reaches more than 270 ten thousand tons, occupies the 4th of China's fish culture kind.China's carp kind, from many, has the wild or Cultivars such as C carpiovarwuyuanensis, Singuo Red Carp, jian carp, the Yellow River carp, amur carp, the auspicious carp of good fortune.In carp culture, feed drops into and accounts for aquaculture cost about 70%, and how science is thrown something and fed feed, becomes the key point that aquaculture obtains good benefit.The mensuration of the carp amount of being satiated with food is one of major issue needing in carp breeding production to solve.By the mensuration to the amount of being satiated with food, each daily ration, feeding quantity and daily ration of feeding can be estimated, determine that rational daily ration, feeding quantity can not only improve the availability of feed, promote the growth to carp, growth, and pond organic contamination can also be reduced, maintain good ecotope, thus obtain higher economic benefit.Fish individual satisfies/and method that food ration is commonly used has indoor direct measuring method and the method etc. based on digestive tract inclusion.Indoor direct measuring method is the food ration estimating fish according to bait feeding amount and the surplus after ingesting, and this method, when collecting surplus, is difficult to whole collection because bait can scatter and disappear in water body, thus affects the Accurate Determining of data; Method based on digestive tract inclusion is usually that on-the-spot sampling stomach of dissecting measures containing thing, and sample need be killed dissection when this method measures, sample can not continue to raise, thus can not carry out repeatedly food ration research to same sample.
Summary of the invention
The object of the invention is to provide a kind of carp to be satiated with food quantity measuring method to overcome above the deficiencies in the prior art, can when not damaging fish body, measure the amount of being satiated with food of every tail carp individual, for achieving the above object, the present invention adopts following technical scheme:
A kind of carp is satiated with food quantity measuring method, comprises the following steps:
(1) carp to be measured is carried out individual mark;
(2) carp after step (1) being marked is placed in aquarium and feeds, and during cultivation, upper and lower noon timing is is respectively thrown something and fed 1 time every day, and domesticating and cultivating can be concentrated to feed macrura reevesii of throwing something and feeding at every turn and rob food;
(3) carp after step (2) being tamed stops throwing something and feeding 1 day, weighs in and record to after every tail fish anesthesia;
(4) another aquarium that the carp after step (3) being weighed puts into identical rearing conditions is supported temporarily, feed of not throwing something and feeding during supporting temporarily, and absorbs fish ight soil in time;
(5) step (4) every tail carp of foster period timing every day temporarily carries out the rear weighing body weight of 1 anesthesia and record, puts back to support in aquarium temporarily and continue cultivation after weighing;
(6) analysis, comparison step (5) weighing result, when every tail carp body weight no longer changes, starts again to throw something and feed excessive feed;
(7) step (6) carp throw something and feed to no longer feed after, namely reach and be satiated with food, then pull anesthesia out, weighing body weight is carried out and record to every tail fish;
(8) deduct the last empty body weight of carp corresponding in step (5) by the every tail carp body weight on a full stomach of step (7), obtain the amount of being satiated with food of every tail fish.
Described carp is satiated with food quantity measuring method, in described step (3), step (5) and step (7), anaesthetizing anaesthetic used is caryophyllus oil, and dosage is at about 0.05mL/L, and fish anesthesia is not to affecting weighing body weight without obvious struggle.
Described carp is satiated with food quantity measuring method, in described step (3), step (5) and step (7), after anesthesia, before weighing, dries the body surface of fish.
Described carp is satiated with food quantity measuring method, supports period temporarily water quality and dissolved oxygen will be kept to be applicable to carp survive in described step (2) during cultivation with step (4).
Described carp is satiated with food quantity measuring method, and in described step (2) and step (6), the feed of throwing something and feeding is same feed.
Described carp is satiated with food quantity measuring method, and supporting the time temporarily in described step (4) is 3-5 days.
Beneficial effect
The present invention measures carp individual food ration based on the method for digestive tract inclusion, but does not damage fish body, and the individual physical efficiency being used for testing repeatedly carries out food ration mensuration, in conjunction with body weight gain, can select the low carp kind of feed coefficient or strain.
Use method of the present invention, can when not damaging fish body, the amount of being satiated with food of the every tail carp in same water body is measured, can be the carp culture throwing amount of raising and reference is provided, by the method METHOD FOR CONTINUOUS DETERMINATION amount of being satiated with food, every tail carp feed conversion ratio can also be calculated, thus select the high carp kind of feed conversion rate or strain.
Embodiment
Embodiment 1
Get jian carp fingerling 5 tail, body weight, at about 270g, after every tail fish dorsal stamps T-shaped mark, is placed in the glass water tank of 60 × 40 × 40cm and cultivates.Every morning 8:30 and afternoon 16:00 respectively throw something and feed 1 time, feed is commodity manufactured feed, and feeding volume is 2 ~ 3% of fish body weight, domesticating and cultivating 10 days, and bait macrura reevesii of at every turn throwing something and feeding can be concentrated and be robbed food, keeps water quality good during domesticating and cultivating, and dissolved oxygen is sufficient.Stopping in 11st day is thrown something and fed, and the morning, fish was pulled out by 8:30, and be placed in the caryophyllus oil water body containing about 0.05mL/L and anaesthetize 2 ~ 3 minutes, until fish without when obviously struggling, body surface dried by every tail fish dry towel, weighs with electronics level, the mark of the good every tail of record number and body weight.Weighed be placed on identical rearing conditions another aquarium in support temporarily, support temporarily period not throw something and feed feed, and absorb fish ight soil in time, keep the good and dissolved oxygen abundance of water quality, after this fish is pulled out by 8:30 every morning, anaesthetizes, dries, weighs, analyze and find, support temporarily the body weight of stop throwing something and feeding the 3rd day, the 4th day and the 5th day relatively, body weight tends towards stability, and illustrates that fish body stomach is emptied completely.Temporarily support 8:30 in the 6th day morning, feed of again throwing something and feeding, after half an hour, fish no longer includes obvious feeding activity, and has feed remain, is at this moment pulled out by fish, anaesthetizes, dries, weighs, and mark number and the body weight of every tail got well in record.Every tail carp body weight on a full stomach deducts last empty body weight, obtains the amount of being satiated with food (S1) of every tail fish, and meanwhile, by dissecting, measure the forage volume (S2) taken the photograph in every tail fish enteron aisle in contrast, determination data is listed in following table.Analyze and find, the value of being satiated with food measured by the method for the invention is a little more than the amount of being satiated with food measured based on digestive tract inclusion assay method, but difference is not very remarkable.
Embodiment 2
Get good fortune auspicious carp fingerling 8 tail, jian carp fingerling 4 tail, size, at 226 ~ 342g, is squeezed into PIT electronic marker in every tail fish belly chamber, is placed in the plastic bucket of diameter 75cm height 70cm and cultivates.Every morning 8:30 and afternoon 16:00 respectively throw something and feed 1 time, feed is commodity manufactured feed, and feeding volume is 2 ~ 3% of fish body weight, raises and train 10 days, can concentrate rob food to bait macrura reevesii of throwing something and feeding at every turn, raises and train period to keep water quality good, and dissolved oxygen is sufficient.Stopping in 11st day is thrown something and fed, and the morning, fish was pulled out by 8:30, is placed in the caryophyllus oil water body containing about 0.05mL/L and anaesthetizes 2 ~ 3 minutes, until fish without when obviously struggling, fish body body surface dried by every tail fish dry towel, then weighs with electronics level, the mark of the good every tail of record number and body weight.Weighed be placed on identical rearing conditions another aquarium in support temporarily, support temporarily period not throw something and feed feed, timely absorption fish ight soil, and keep the good and dissolved oxygen abundance of water quality, after this fish is pulled out by 8:30 every morning, anaesthetize, dry, weigh, stop throw something and feed the 3rd day after body weight tend towards stability, illustrate that fish body stomach is emptied completely.Stop throwing something and feeding 8:30 in the 5th day morning, Excessive Feed of throwing something and feeding, after half an hour, fish no longer includes obvious feeding activity, and feed has residue, is at this moment pulled out by fish, anaesthetizes, dries fish body body surface, weighs, the mark of the good every tail of record number and body weight.Every tail carp body weight is on a full stomach deducted last empty body weight, obtains the amount of being satiated with food (weight in wet base) of every tail fish.Determination data is listed as follows:
In sum, carp provided by the invention is satiated with food quantity measuring method can when not damaging fish body, the amount of being satiated with food of the every tail carp in same water body is measured, can be the carp culture throwing amount of raising and reference is provided, through by the method METHOD FOR CONTINUOUS DETERMINATION amount of being satiated with food, with by dissect carry out appetite in body mensuration compared with, result difference is very little, but method provided by the invention can ensure by effective survival of side sample, the individual physical efficiency being used for testing repeatedly carries out food ration mensuration, in conjunction with body weight gain, the low carp kind of feed coefficient or strain can be selected, every tail carp feed conversion ratio can also be calculated, thus select the high carp kind of feed conversion rate or strain.
Claims (6)
1. carp is satiated with food a quantity measuring method, it is characterized in that, comprises the following steps:
(1) carp to be measured is carried out individual mark;
(2) carp after step (1) being marked is placed in aquarium and feeds, and during cultivation, upper and lower noon timing is is respectively thrown something and fed 1 time every day, and domesticating and cultivating can be concentrated to feed macrura reevesii of throwing something and feeding at every turn and rob food;
(3) carp after step (2) being tamed stops throwing something and feeding 1 day, weighs in and record to after every tail fish anesthesia;
(4) another aquarium that the carp after step (3) being weighed puts into identical rearing conditions is supported temporarily, feed of not throwing something and feeding during supporting temporarily, and absorbs fish ight soil in time;
(5) step (4) every tail carp of foster period timing every day temporarily carries out the rear weighing body weight of 1 anesthesia and record, puts back to support in aquarium temporarily and continue cultivation after weighing;
(6) analysis, comparison step (5) weighing result, when every tail carp body weight no longer changes, starts again to throw something and feed excessive feed;
(7) step (6) carp throw something and feed to no longer feed after, namely reach and be satiated with food, then pull anesthesia out, weighing body weight is carried out and record to every tail fish;
(8) deduct the last empty body weight of carp corresponding in step (5) by the every tail carp body weight on a full stomach of step (7), obtain the amount of being satiated with food of every tail fish.
2. carp according to claim 1 is satiated with food quantity measuring method, it is characterized in that, in described step (3), step (5) and step (7), anaesthetizing anaesthetic used is caryophyllus oil, dosage is at about 0.05mL/L, and fish anesthesia is not to affecting weighing body weight without obvious struggle.
3. carp according to claim 1 is satiated with food quantity measuring method, it is characterized in that, in described step (3), step (5) and step (7), after anesthesia, before weighing, dries the body surface of fish.
4. carp according to claim 1 is satiated with food quantity measuring method, it is characterized in that, supports period temporarily water quality and dissolved oxygen will be kept to be applicable to carp survive in described step (2) during cultivation with step (4).
5. carp according to claim 1 is satiated with food quantity measuring method, it is characterized in that, in described step (2) and step (6), the feed of throwing something and feeding is same feed.
6. carp according to claim 1 is satiated with food quantity measuring method, it is characterized in that, supporting the time temporarily in described step (4) is 3-5 days.
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| CN201510019210.XA CN104585092B (en) | 2015-01-14 | 2015-01-14 | Carp satiation amount measurement method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112931320A (en) * | 2021-04-14 | 2021-06-11 | 通威股份有限公司 | Perch fry pond-passing-without-water separation method |
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