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Review of sheep and goat research and development in Egypt since the forties [electronic resource]: I- introduction and utilization of temperate European sheep breeds

By:

Aboul Naga, A. M

Language: English Summary language: Arabic Description: p. 15 - 23Other title:

عرض مرجعي لبحوث وبرامج تطوير الأغنام والماعز في مصرمنذ الاربعينات : 1 -ادخال السلالات الاوروبيه [Added title page title]

Uniform titles:

Mansoura university journal of animal and poultry production, 2023 v.14 (3) [electronic resource].

Subject(s):

Online resources:

Full Text Article

In: Mansoura University Journal of Animal and Poultry Production 2023.v.14(3)Summary: Number of European sheep breeds were introduced to Egypt since the forties. The breeding plans involved assessing their performance under Egyptian conditions; and to upgrade the local breeds. Suffolk - crosses with Ossimi (Sc), performed better than both parents, heavier body weights and longer breeding season. Low Sc was suitable for the Egyptian conditions than high Sc. Hampshire crosses with Ossimi did not perform well and were not recommended. Crosses of Fleisch Merino (Mc) with Ossimi or Barki were better than both parents. Individual heterosis contributes highly to the 1st cross, and maternal heterosis contributes to the backcrosses. Merino crosses mate each 8 months, with better performance in May mating, in consistent with their oestrus activity. Crossing Rahmani (R)and Ossimi (O) with Finn landrace (F) sheep, improved prolificacy of the 1st crosses by 69 and 65 % in FR and FO, respectively, and by half these values for the 1/4 Finn crosses with ability to mate each 8 months, they performed well with the smallholders in the villages. Romanov breed (V) improved annual fecundity of 1/4 VR by 25%, having slight advantage over the Finn-cross. Chios crosses with Ossimi were better than their mid-parent and weaned heavier lambs. Keywords: Sheep, Egyptian breeds, European breeds, Crosses.

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Item type	Current library	Call number	Status	Date due	Barcode
Articles	Main	ART MUJAPP V14 No3 1 (Browse shelf(Opens below))	Available

Includes bibliographic reference

Number of European sheep breeds were introduced to Egypt since the forties. The breeding plans involved assessing their performance
under Egyptian conditions; and to upgrade the local breeds. Suffolk - crosses with Ossimi (Sc), performed better than both parents,
heavier body weights and longer breeding season. Low Sc was suitable for the Egyptian conditions than high Sc. Hampshire crosses
with Ossimi did not perform well and were not recommended. Crosses of Fleisch Merino (Mc) with Ossimi or Barki were better than
both parents. Individual heterosis contributes highly to the 1st cross, and maternal heterosis contributes to the backcrosses.
Merino crosses mate each 8 months, with better performance in May mating, in consistent with their oestrus activity.
Crossing Rahmani (R)and Ossimi (O) with Finn landrace (F) sheep, improved prolificacy of the 1st crosses by 69 and 65 %
in FR and FO, respectively, and by half these values for the 1/4 Finn crosses with ability to mate each 8 months, they performed
well with the smallholders in the villages. Romanov breed (V) improved annual fecundity of 1/4 VR by 25%, having slight advantage
over the Finn-cross. Chios crosses with Ossimi were better than their mid-parent and weaned heavier lambs.

Keywords: Sheep, Egyptian breeds, European breeds, Crosses.

Summary in Arabic

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