is 6558 (1972): code of practice for cold storage of shell

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IS 6558 (1972): Code of practice for cold storage of shelleggs [FAD 18: Slaughter House and Meat Industry]

IS : 6558 - 1972

Indian Standard

CODE OF PRACTICE FOR COLD STORAGE OF SHELL EGGS

Meat and Meat Products Sectional Committee, AFDC 18

Chairman

DR C. M. SING-H

Members

Representing

Indian Veterinary Research Institute, Izatnagar

DR B. PANDA ( Alternate to Dr C. M. Singh)

DR V. S. ASTRANA Central Dairy Farm, Aligarh SHRI K. S. BIST ( Alternate )

DR S. K. BARAT Central Leather Research Institute ( CSIR ), Madras DR S. DIVAKARAN ( Alternate )

BRIQ BRIJ CHANDRA Directorate of Remount Veterinary Services, Army Headquarters

MAJ H. S. DI~INSA ( Alternate ) SRRI D. S. CHADHA Central Committee for Food Standards ( Ministry of

Health & Family Planning ) &AIRMAN, T E c H N I c A L Ministry of Agriculture ( Department of Food )

STANDARDIZAT:ON COMMITTEE ( FOODSTUFFS )

SECRETARY, TSC ( F ) ( Alternate ) L)R A. K. CEATTERJEE Ministry of Agriculture ( Department of Agriculture )

SHRI K. C. D; Metal Box Co of India Limited, Calcutta DR S. C. CHAKRAVORTY ( Alternate )

SRRI ANAND K. GOYLE Essex Farms Private Limited, New Delhi SHRI ARUM K. ~GOYLE ( Alternate)

SHRI R. N. GUPTA Continental Exports, New Delhi HEALTH OFBICER Corporation of Madras

VETERINARY OFFICES ( Alfmnate ) DR D. M. KHARE Government Bacon Factory, Bombay

ZONAL HEALTH OFFICER ( Alternate ) DR S. S. KRISHNA MURTEY Regional Bacon Factory, Gannavaram

SHRI D. B. P. CHANDRA- SEKHARA RAO ( Alternate )

DR N. L. LAHIRY Central Food Technological Research Institute (CSIR ), Mysore

DR M. N. MOORJANI ( Alternate ) SHRI B. C. MALHOTRA State Trading Corporation of India Limited, New

Delhi SARI R. K. TANEJA ( Alternate )

( Continued on page 2 )

INDIAN STANDARDS INSTITUTION MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 1

IS : 6558 - 1972

( Continued from page 1 )

Members Representing

MUNICIPAL HEALTH OFFICER Municipal Corporation of Delhi ZONAL HEALTH OFBIOER

( Hg ) ( Alternate ) SRRI V. NAQARAJU Central Mechanical Engineering Research Institute

( CSIR ) , Durgapur SHRI S. RAMASWAMY Accelerated Freeze Drying Factory, Tundla

SHRI T. N. RAWAL ( Alternate ) SHRI S. RAMASWAMY Directorate General of Technical Development

DR M. RANQANATHAN ( Ministry of Industrial Development )

Madras Veterinary College, Madras DR R. RAMAMURTHI ( Alternate )

SHRI N. K. MURALIDHARA RAO Directorate of Marketing & Inspection ( Ministry of Agriculture ), Faridabad

SERI S. TAYARAMAN ( Alternate \ COL M. C. <ANYAL ’ ‘Q t uar ermaster General’s Branch, Army Headquarters

LT-COL 0. P. KAPUR ( Alternate ) DR T. R. SHARMA Defence Food Research Laboratory, Mysore

SARI S. B. KADEOL ( Alternate ) DR HARI BHAQWAN. Director General. ISI I Ew-ojicio Member)

Director ( Agri & Food ) . .

Secretary

SHRI MANOHAR T. SANTWANI

Assistant Director ( Agri & Food ), IS1

Poultry Products Subcommittee, AFDC 18 : 9

Convener

DR B. PANDA

Members

Indian Veterinary Research Institute, Izatnagar

BRIQ BRIJ CEANDRA Directorate of Remount Veterinary Services, Army Headquarters

MAJ H. S. DHINSA ( Alternate ) SHRI M. A. HALEEM Central Food Technological Research Institute

( CSIR ), Mysore Sam JAODISE~ MITTAR Poultry Dressing Plant, Chandigarh DR K. KWMARASWAXI Madras Veterinary College, Madras DR H. K. LALL Directorate of Animal Husbandry and Veterinary

Services, Government of Uttar Pradesh, Lucknow DR B. P. VERMA ( Alternate )

SHRI J. N. PANDA Ministry of Agriculture ( Department of Agriculture ) SHRI N. K. MURALIDHARA RAO Directorate of Marketing & inspection (Ministry of

Agriculture ), Faridabad SARI S. JAYARAMAN ( Alternate )

SHRI SHAIK IMAM Hy-Fed Hatchery, Hyderabad

2

tS:6558-1972

Indian Standard

COD-E OF PRACTICE FOR COLD STORAGE OF SHELL EGGS

0. FOREWORD

0.1 This Indian Standard was adopted by the Indian Standards Institution on 30 May 1972, after the draft finalized ~by the Meat and Meat Products Sectional Committee had been approved by the Agricultural and Food Products Division Council.

0.2 With the recent development of the poultry industry, the production of eggs has registered ,a significant increase in the country. With a view to preserving the surplus production of eggs during the lean season of consumption for use during the peak season, proper storage assumes paramount importance. It is hoped that this standard would help in minimizing the loss of eggs due to deterioration in the quality during preservation.

0.3 In the formulation of this standard considerable help has been rendered by the Indian Veterinary Research Institute, Izatnagar.

0.4 In the formulation of this standard, due consideration has been given to the Agricultural Produce ( Grading and Marking ) Rules, regarding grading of shell eggs.

0.5 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, express- ing the result of a test, shall be rounded off in accordance with IS : 2-1960*. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

1. SCOPE

1.1 This code covers the guidelines for cold storage of shell eggs.

2. TERMINOLOGY

2.0 For the purpose of this standard, following definitions shall apply.

*Rules for rounding off numerical values ( revised ).

3

IS : 6558 - 1972

2.1 Grading-Sorting of eggs ,according to quality, size, weight and other factors that determine their relative value,

2.2 Candling - Process of holding the egg before a beam of light in such a way that the light rays penetrate and illuminate the interior of the egg for inspection.

2.3 Yolk Faults

2.3.1 Sided - Yolk displaced to an appreciable extent from its normal central position.

2.3.2 Stuck - Yolk stuck to the inner shell membrane.

2.3.3 Patchy -Yolk uneven in colour including defects sometimes described as ‘ heated ’ or ‘ heat spots ‘.

2.3.4 Abnormal Shape -Yolk flattened or irregular, which in extreme cases, may be broken and dispersed in albumen.

2.3.5 Discolowed - Yolk of a dark or greyish appearance often with a very distinct outline.

2.3.6 Embryonic Development - Thin blood vessels and bright blood ring may be seen.

2.4 Specific Faults - Such as blood spots; blood egg; meat spots; staleness: mold growth; rot; taint; thin-shelled eggs; yolkless eggs; and double-yblked eggs. .

3. GRADES

sorted out according to the grades

EGGS PRIOR TO STORAGE L

3.1 Eggs, prior to cold storage, shall be given in Table 1.

4. SORTING AND CLEANING OF

4.1 Prior to cold storage, clean shell eggs, shall be separated from the soiled ones.

4.2 Cracked and unsound eggs or those with yolk faults and/or specific faults shall be removed through the process of candling. not be stored.

These eggs shall

5. ARRANGEMENT OF EGGS FOR COLD STORAGE

5.1 Eggs for storage shall be arranged with pointed end down and broad end up, in the filler flats. Each filler flat may contain about 30 eggs.

4

TABLE 1 GRADES OF SHELL EGGS

( Clause 3.1 )

SL No.

(1)

i)

ii) iii) iv)

v)

Vi) vii)

viii)

GRADE DESIQNA-

TION

(2)

A-Extra 60 and large above

A-Large 53-59 A-Medium 45-52 A-Small 38-44

B-Extra large

B-Large BgMTVftftrn

WEIGHT OF INDIVIDUAL

Eaos, g

(3)

60 and above 53-59 45-52 38-44

WEIGHT PER

DOZEN, g

(4)

715 and above 631-714 535-630 456-534

715 and above 631-714 535-630 456-534

WEII~HT

PER UNIT oBL TEN

Eaos, g

SHELL

(5) (6)

596 and Clean, un- 1 broken and

526-595 > sound shape 446-525 1 and normal 380-445 J

596and 1 Clean to above 1 moderately 526595 k stained, sou- 446-525 1 380445 J

nd and slightly abnormal

AIR CELL

(7)

Upto4mm in depth practically regular or better

8 mm in depth, may be free and slightly bubbly

WEITE

(8)

Clear, rea- sonably firm

Clear, may be slightly weak

YOLK

(9)

Fairly well centered practically free from defects, outline indis- tinct

May be slightly off-centered, ollt- line slightly visible

NOTE-Eggs which do not qualify under the above two Grades A and B, may be debarred from entering trade channels as fresh shell eggs.

IS :-6558 - 1972

5.2 It is recommended that collapsible card-board boxes, either 360 eggs ( 12 filler flats) or 210 eggs ( 7 filler flats), may arranging eggs.

to contain be used for

5.3 While arranging the eggs in the collapsible boxes care shall be taken to place an empty filler flat on the top before closing the top sides of the egg boxes.

6. METHOD OF COLD STORAGE

6.1 Eggs meant for cold storage shall be treated before storage by the process given in 6.1.1, to reduce the weight loss during storage, prevent fungal contamination and maintain proper quality.

6.1.1 The eggs shall be placed in filler flats and sprayed with a suitable mineral oil, such as liquid paraffin which shall be odourless, colourless and non-toxic. Oils of vegetable or animal origin shall not be used for spray- ing as they undergo oxidative rancidity during storage. The oil may be re-used.

6.2 The eggs intended for storage of about one month at farm level and at egg packing stations shall be stored at a temperature of 10 to 13°C and relative humidity of 75 to 80 percent.

6.3 The eggs intended for storage of about 3 months shall be stored at a temperature of 4 to 7” C and relative humidity of 75 to 80 percent.

6.4 In case fertile eggs are required to be stored, they shall be stored at a temperature of 13 to 15*5”C at relative humidity of 75 percent. The eggs may be stored at this temperature for about 7 days.

6.5 The eggs shall be properly graded before storage, and different grades shall be stored separately.

6.6 The boxes containing eggs may be stocked in shelves provided in a cold store.

c 6.7 The eggs once brought out of the cold store shall not be sent to the cold store again.

7. POST-STORAGE CARE

7.1 Eggs stored at 4 to 7°C ( see 6.3 ) shall be placed in an ante-room having a temperature of 15.5 to 21°C for about 8 to 10 h before release for retail market.

7.2 These eggs should preferably be marketed within three days from the date of release.

6

IS I 6558 - 1972

8. STORAGE LIFE

8.1 It is necessary in every case that the storage should not be prolonged beyond limits suggested in 6.2, 6.3 and 6.4.

8.2 It is essential to draw samples of the eggs periodically so as to detect spoilage, if any, and to ensure efficient working of the cold store.

9. ASSESSMENT OF QUALITY OF EGGS STORED IN COLD STORAGE

9.1 External

9.1.1 Egg shell should be free from fungal contamination,

9.1.2 Loss in egg weight should not be more than 2 percent.

9.2 Candling

9.2.1 Air cell depth should not exceed 9 mm.

9.2.2 Yolk should be at the centre and not stuck to the egg shell.

9.3 On Opening

9.3.1 On opening the eggs, the vitellin membrane should not rupture.

9.3.2 Minimum height of the thick albumen should be 2.5 mm.

c

INDIAN -STANDARDS

ON

Meat and Meat Products

IS:

1723-1960 Pork

1743-1960 Meat of sheep and goats canned in brine

1981.1962 Animal casings

1982-1971 Code of practice for ante-mortem and post-mortem inspection of meat animals ( jrst revision )

2475-1963 Smoked bacon

2476-1963 Ham

2536-1963 Mutton and goat flesh - fresh, chilled and frozen

2537-1963 Beef and buffalo flesh-fresh, chilled and frozen

3044-1965 Mutton and goat meat, curried and canned

3060-1965 Pork sausages, canned

3061-1965 Pork sausages, fresh

4352-1967 Pork luncheon meat, canned

4393-1967 Basic requirements for an abattoir

4674-1968 Dressed chicken

4723-1968 Egg powder

4950-1968 Bacon rashers, canned

4951-1968 Ham, canned

5558-1970 Chicken essence

5960 ( Part I )-1970 Methods of test for meat and meat products: Part 1 Determination of nitrogen content

5960 ( Part IoIfi;F70 Methods of test for meat and meat products: Part II Determination

5960 ( Part III )-1970 Methods of test for meat and meat products: Part III Determi- nation of total fat content

5960 ( Part IV )-I970 Methods of test for meat and meat products: Part IV Determi- nation of free fat content

5960 ( Part V )-1971 Methods of test for meat and meat products: Part V Determi- nation of moisture content

5960 ( Part VI )-1971 Methods of test for meat and meat products: Part VI Determi- nation of chloride content

6557-1972 Albumen flakes

6558-1972 Code of practice for cold storage of shell eggs

6559-1972 Code of practice for ante-mortem and post-mortem inspection of poultry

is 6558 (1972): code of practice for cold storage of shell

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