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TRƯỜNG ĐẠI HỌC NHA TRANG
NGÔ XUÂN BA
NGHIÊN CỨU ẢNH HƯỞNG CỦA MẬT ĐỘ VÀ KÍCH CỠ THẢ NUÔI
ĐẾN SINH TRƯỞNG, TỶ LỆ SỐNG CỦA NGHÊU (Meretrix lyrata
SOWERBY, 1851) GIAI ĐOẠN NUÔI THƯƠNG PHẨM TẠI VÙNG BÃI
TRIỀU, KIẾN THUỴ, HẢI PHÒNG
LUẬN VĂN THẠC SĨ

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TRƯỜNG ĐẠI HỌC NHA TRANG
NGÔ XUÂN BA
NGHIÊN CỨU ẢNH HƯỞNG CỦA MẬT ĐỘ VÀ KÍCH CỠ THẢ NUÔI
ĐẾN SINH TRƯỞNG, TỶ LỆ SỐNG CỦA NGHÊU (Meretrix lyrata
SOWERBY, 1851) GIAI ĐOẠN NUÔI THƯƠNG PHẨM TẠI VÙNG BÃI
TRIỀU, KIẾN THUỴ, HẢI PHÒNG
LUẬN VĂN THẠC SĨ
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sinh trưởng, tỷ lệ sống của nghêu (Meretrix lyrata Sowerby, 1851) giai đoạn nuôi
thương phẩm tại vùng bãi triều, Kiến Thụy, Hải Phòng„
Mục tiêu của đề tài:
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Nội dung nghiên cứu
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1.1.4. Đặc điểm dinh dưỡng
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"^6^!4:0h"R1>1E4H.";.=J:4H...0'6Dg.O3..4!"?.
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1.1.5. Đặc điểm sinh trưởng
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1.2. Tình hình nghiên cứu, nuôi nghêu trên thế giới
1.2.1 Tình hình nuôi nghêu
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1.2.2 Nghiên cứu về ảnh hưởng của các yếu tố môi trường
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1.2.5 Giải pháp phòng tránh, giảm thiểu ảnh hưởng của môi trường tới nghêu nuôi
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"#@W"X!: !•4..!'!MM!'0"!E1@A.!:.;1R-e"J.!'!
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1.2.6 Nghiên cứu về sản xuất giống, nuôi và quản lý
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1.3.1. Tình hình nuôi
#..4!>i"E ![!5"/0!5/>3: M.lyrata 41*!
"@A !1/M""#!E0Y31@A.!R1I/M@O[6~6qF!E1h.F!5"
9/"V0JV>41*!"@A !"#>R"*[$2& Bn3.z!"#I
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1.3.2. Nghiên cứu về nguồn lợi, phân bố
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aMeretrix meretrixd3: Meretrix lusoria "<M"#._>8"Y!!k3/0
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1.3.5. Nghiên cứu về ảnh hưởng của yếu tố môi trường
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._/:J!1G0h"/>1b!:&•C!.>E#/-/FWh.76?..B/& 
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"P.AM1E:&!"#@[6M""#!E4"•‚+v|}J!hM1!R7!5Fe"
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"qC^@X."#!R1!O!7.J:.z"Eb!4:1G./306"@WC!
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1.3.6. Nghiên cứu về giải pháp phòng tránh, giảm thiểu ảnh hưởng của môi trường
tới nghêu nuôi
=03>i 6."61)1!'@[._/>8"*0 !
"#@W18: !6~6qF!E'!]^61@/#/!'!MM1R-e"M^
"#J.!'1)1@/#/!'!MM4?/.H39'4€F)! !:6.#26~
 !:[.B/& =¡."<4A!6k#•<M0h1@A.7 !MD.3$
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1.3.7. Nghiên cứu về dịch bệnh
>iI!Rad1!R"#/!:.;6R"kkF5"#::
 !"Y!'!]^1)-.1I1@A.".VV>F5C6!&!6<""#:/"Y!'!
]^47€&!"#~Perkinsus spl6!7uVibrio spl6e03".VPerkinsus

"#@[6"%45&*._/:M.lyrata!/!1Y!*y>"b!J8"9'
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1.3.9. Thực trạng nuôi nghêu tại Hải Phòng
a. Hiện trạng sản xuất
Bảng 1.1: Hiện trạng nuôi nghêu trên địa bàn thành phố Hải Phòng |‚}
Quận, huyện
Năm 2012 6 tháng đầu năm 2013
Diện tích
(ha)
Sản lượng
(tấn)
Số hộ
Diện tích
(ha)
Sản lượng
(tấn)
Số hộ
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$ZO +p3p ,xx  +p3p  
@O! + +p  + yp 
!8m x  ‚ p  ,
b p+3y y ++ p3y ,‚p xx
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