Table 1.

Characteristics of the eligible studies on Salmonella contaminated products

Author	Ys	Location	Sample	Source	n	Positive (%)
[25]	1999	AA	Beef	Abattoir	235	23 (9.79)
[26]	1999-2000	DZ	Beef	Abattoir	323	9 (2.79)
[27]a	2005-2006	DZ	Beef	Abattoir	100	2 (2)
[28]a	2006-2007	BD	Beef	Abattoir	186	9 (4.84)
[29]	2002-2003	DZ	Goat meat	Abattoir	60	2 (3.33)
[30]	2003-2004	AM	Goat meat	Abattoir	100	0 (0)
[31]a	2007-2008	MD	Goat meat	Abattoir	60	5 (8.33)
[29]	2002-2003	DZ	Mutton	Abattoir	47	5 (10.64)
[30]	2003-2004	AM	Mutton	Abattoir	104	2 (1.92)
[31]	2007-2008	MD	Mutton	Abattoir	142	20 (14.08)
[32]a	2004-2005	AA	Pork	Abattoir	277	11(3.97)
[33]b	2004-2005	AA	Pork	Abattoir	99	2 (2.02)
[34]	2001-2002	DJ	Camel meat	Abattoir	119	25 (21.01)
[35]	2001	AA	Chicken meat	Market	244	30 (12.30)
[36]c	2001-2002	DA	Chicken meat	Market	104	16 (15.38)
[37]	2003-2004	AA	Chicken meat	Market	208	29 (13.94)
[25]	1999	AA	Minced beef	Market	330	26 (7.88)
[38]	2002-2003	AA	Minced beef	Market	160	23 (14.38)
[37]	2003-2004	AA	Minced beef	Market	142	12 (8.45)
[39]	2009	JM	Minced beef	Market	120	1 (0.83)
[38]	2002-2003	AA	Mutton	Market	85	12 (14.12)
[37]	2003-2004	AA	Mutton	Market	212	23 (10.85)
[38]	2002-2003	AA	Pork	Market	55	9 (16.36)
[37]	2003-2004	AA	Pork	Market	194	22 (11.34)
[40]	2010	AA	Milk	Farm	195	6 (3.08)
[41]	2010-2011	KR	Milk	Farm	100	20 (20)
[42]	nr	SB	Milk	Farm	100	16 (16)

AA, Addis Ababa; BD, Bahirdar; AM, Addis Ababa and Modjo; DJ, Diredawa and JiJiga; DZ, DebreZeit; JM, Jimma; KR, Kersa; MD, Modjo; n, Sample size; nr, not reported; Ys, year of study; SB, Sebetta; Ys, year of study.

^aThe samples were carcass swabs.

^bThe samples were mixed abdominal and diaphragmatic muscle samples.

^cThe samples were taken from a slaughtering plant and markets.