VIN CHAN NUN — Tap chi Khoa hgc Cong nghe Chan nuoi — SO 84 Thang 022018 DAC DIEM NGOAI H1NH VA MIA NANG SAN XUAT CUA GA HAC PHONG Phom Mfg Thie u Nguyin Haw Cuftg2, Nguyin Quyit Thtingi, Trtin Quic.Ngdy nay, ding vai su phat trien chan nuoi cac giong ger c6 nang sudt cao theo huang trang trai cong nghiep nhu ger sieu thit, sieu trim?. Viec nghien cfru ch9n 19c nhan thuan cac giong ger ban dia hiem dac san ding dugc trien khai va nuoi thir nghiem thanh cong, dac Net la nhang nam dau dm the kY 21 6 nuoc ta. Chan nuoi cac gi6ng ger da den, thit den va xucmg den là mOt trong nhitng huang di nhu very. Ga HL Phong là giong ger ban dia ciia Viet Nam dirge phat hien va thu th4p tir Quang Ninh thuOc nhom ger thuoc c6 da den, thit den va xucmg den, chat lucmg thit therm ngon, it m6 thong tanh nhu ger Ac, ger Thai Hod. Cling nhu ger Hmong, ger Ac va ger Thai Hod, ger Hac Phong dugc ngu6i tieu dung biet den nhu mgt gi6ng ger thu8c de chila tri mot so benh trong y h9c va bdi dtrOng sire khoe cho ngued gia, phi nit sau khi sinh de. Chinh vi very ma nhu cau lo4i thit ger nay cang tang do very phai co nguon con gi6ng ger Hac Phong dap img yeu cau cua san xuat chan nuoi NIA nhu cau tieu dung dm xa hOi. Vien Chan nuoi dirge BO Khoa h9c va Congnghe phi duyet cho then khai nhiem vi cap Nha nuac Khai thac va Phat trien nguon gen ger Hac Phong va ger TO. Thuc hien tir ram 2014 den thang 62018 de ch9n 19c nhan thuan xay dung dan hat nhan, dan san xuat ger HL Phong cung cap con gi6ng cho phat trien chan nuoi, day là mgt huang di mg va can thiet nham nwc tieu: Xac dinh dugc mot so dac diem ngo4i hinh dac trung va khd nang san xuat cua ger Hac Phong.
VIN CHAN NUN — Tap chi Khoa hgc Cong nghe Chan nuoi — SO 84 Thang 02/2018 DAC DIEM NGOAI H1NH VA MIA NANG SAN XUAT CUA GA HAC PHONG Phom Mfg Thie u Nguyin Haw Cuftg2, Nguyin Quyit Thtingi, Trtin Quic Hang3, Nguyin Thi Thanh Van3, Cao Thl Lien', Le Tuin Viet Ova Nguyen Cong Dinh' 'WO Chan nuoi, 'BO Khoa hqc va cong ng14, 3Trung tam Owe nghiOn va bao tan vat nuoi,4Cong ty co phAn khai tithe khoang san Thief' Thuan Tirtrng Quang Ninh Tac gia a lien 4: TS Pham Cong Thieu; Tel: 0912244149; Email: phamcongthieu64@gmail.com ABSTRACT Morphometric characterisation and production of HacPhong chicken breed The native HacPhong chicken breed is from Quang Ninh and in the group characterized by back bone, black skin, low fat and tasty meat likely Ac or ThaiHoa chicken breeds The objective of this study is to evaluate the morphometric characterization and production of HacPhong chicken breed Results shows that the chick at one day old chick are black homogeneous plumage with grey neb and toes, toes and a bunch of feather in outside of little toe At the age of 19 weeks, both cock and hen are black The cock has two type of crest (single crest and pea and rose creats) while the hen are black and grey pea creats and red ear-lap colors The hen also has a small bunch of feather on the head likely Ac chicken breed The chicken body weight at weeks is 666.47 g/head The body weight of a 19 week: 1468.90g/cock, 1212.90g/hen, 5% egg production (148 - 154 days) and peak egg production (33 -36 weeks) Number of egg production/hen/ 72 weeks was 148.69 eggs, respectively to 40.85%, FCR /10 eggs 2.51kg; (89.31 - 91.07%), hatchability 76.64% Key words: HacPhong chicken breed, Morphometric characterization, body weight, egg production, FCR DAT VAN DE Ngdy nay, ding vai su phat trien chan nuoi cac giong ger c6 nang sudt cao theo huang trang trai cong nghiep nhu ger sieu thit, sieu trim? Viec nghien cfru ch9n 19c nhan thuan cac giong hi'em dac san ding dugc trien khai va nuoi thir nghiem cong, dac Net la ger ban dia nhang nam dau dm the kY 21 nuoc ta Chan nuoi cac gi6ng ger da den, thit den va xucmg den mOt nhitng huang di nhu very Ga HL Phong giong ger ban dia ciia Viet Nam dirge phat hien va thu th4p tir Quang Ninh thuOc nhom ger thuoc c6 da den, thit den va xucmg den, chat lucmg thit therm ngon, it m"6 'thong nhu ger Ac, ger Thai Hod Cling nhu ger H'mong, ger Ac va ger Thai Hod, ger Hac Phong dugc ngu6i tieu dung biet den nhu mgt gi6ng ger thu8c de chila tri mot so benh y h9c va bdi dtrOng sire khoe cho ngued gia, phi nit sau sinh de Chinh vi very ma nhu cau lo4i thit ger cang tang very phai co nguon gi6ng ger Hac Phong dap img yeu cau cua san xuat chan nuoi NIA nhu cau tieu dung dm xa hOi Vien Chan nuoi dirge BO Khoa h9c va Congnghe phi duyet cho then khai nhiem vi cap Nha nuac "Khai thac va Phat trien nguon gen ger Hac Phong va ger TO" Thuc hien tir ram 2014 den thang 6/2018 de ch9n 19c nhan thuan xay dung dan hat nhan, dan san xuat ger HL Phong cung cap gi6ng cho phat trien chan nuoi, day mgt huang di &mg va can thiet nham nwc tieu: Xac dinh dugc mot so dac diem ngo4i hinh dac trung va khd nang san xuat cua ger Hac Phong VAT LIEU VA PHVONG PHAP NGHIEN Ctru Dei ttr9ng, thZri gian va dia diem nghien cum Ga Hac Phong 01 ngdy tu6i den 72 tu'an tu6i (quy mo 300 mai/nam) dugc trien khai tir than 5/2015 den 2/2018 tai Trung tam Thuc nghiem va Bao ton vat nuoi - Vien Chan nuoi va Trung tam Chuyen giao TBKT Quang Ninh 53 PHAM C6NG THIEU floc dam ngoai hinh vet khet nang san xucit ctia ga Hcic Phong Ni dung nghien cuv Xac dinh mOt s6 dAc diem ngoai hinh dAc trung cua ga Hac Phong Danh gia duqc kha 'tang san xuA't (sinh truamg va sinh san) cua ga Hoc Phong Phirong phip nghien ciru flat diim ngoai hinh Sir ding phuang phap quan sat trot quan nham tao duqc dan san xuAt ga Hac Phong mang dAc diem ngoai hinh dAc trung cua giong Do d6 vigc ch9n 19c theo dAc diem ngoai hinh la quan trung nhat: mau sac long, kieu mau, mau da, than, mo, v.v a cac thai diem 01 tu6i, 08 tuan tuOi va 19 tuan tu6i Kha nang sinh truang Dtra vao tieu chuAn ga Hac Phong de tien hanh ch9n 19c ga Hac Phong: Ch9n 19c kh6i lugng co the ket tilde 08 tuan tuoi (can ca the tai thai diem nay, can town bi) so ga), se ltra ch9n nhang ca the co khoi lugng trung binh cua gi8ng vai ty lg ch9n 19c tong khoang 15-20% va mai khoang 60-65% Den 19 tuan tuoi tiep tic tien hanh ch9n 19c diira theo ngoai hinh dAc bigt la mau 18ng va ga c6 long than de ch9n len de Ve khoi lugng ca the ga ch9n 19c khiii lugng pham vi (Mean ± a) va ga mai (Mean ± 2a) Kith Wing sinh san Trong giai (loan dinh kSt ch9n 19c loci nhang ga de kem hoAc ga phat dtic ch4m, 18 hu)* nho Chi 43 nuoi duang, chain soc Dtra teen IC& qua nuoi bao din ga Hic Phong nhung nam qua va tham khao khAu phan an ding nhu quy trinh chain soc, nuoi duang ga H'm6ng Dan ga Hac Phong duac nuoi dieu kign chung trai thong thoang ti; nhien, nuoi nen O'm lot trAu, che d8 dinh duang, chain soc (Bang va 2) Bang Che di) chain soc nuoi duang 1v144 dq (con/m2) TS, lg (trOng/mai) Ga (0-8 tuan tu6i) 15-20 Ga - h4u bi (9-19 Ulan tu6i Ga de (20-72 tuan tu6i Giai down 54 Che d8 an Che d8 chieu sang Nuoi chung Tv 24/24 gia & tuan dau sau giam clan den anh sang tier nhien 6-10 Nuoi rieng tilting mai Han the Anh sang tonhien 3-5 1/7 -1/8 Theo tuOi va tSr lg de 16 gia/ngay VIN CHAN NUOI — Top chi Khoa hoc Ging nghe Chan nuoi — S6 84 'Mang 02/2018 Bang Cite de dinh du6'ng Chi tieu 0-4 2950 21,0 0,95 0,70 1,10 0,54 ME (KCalo/kg TA Protein the (CP) % Canxi (%) Photpho (%) Lyzin (%) Methionine (%) Giai down (tuan tuei) 9-19 5-8 2850 2750 14,5 18,0 1,43 1,45 0,74 0,63 0,96 0,71 0,45 0,34 20-72 2700 17,0 3,4 0,74 0,75 0,44 Cie chi tieu theo d5i Hac diem ngogi hinh: Quan sat tai cac thai diem (01 Wei, 08 tuan Wei va 19 tuan tuei) ve mau sac long, mao, tich, chan, me Ty le nuoi song qua cac giai doan GA con, ga de-hau bj Khei lucmg ca the: Qua cac giai clop tu6i Kha nang sinh san: Tuei de qua trimg dau, de 5%, de dinh cao, nang suat trimg/mai/72 tuan TTTA/10 qua trimg, ty le phoi va ket qua ap no Phtrang phap xiir ly so lifu Cac se lieu thu dugc )(it lY theo phuang phap thong ke sinh h9c tren may vi tinh bang phan mem Minitab 16 va Excel 2010 tai BO mon Deng vat QuY hiem va Da clang Sinh 116c - Vien Chan nuoi Jai' QUA VA THAO LuAN I* dam ngotii hinh ga Hic Phong Quan sat 6000 ga Hac Phong 01 Wei, 5694 ga Hac Phong ket tit& 08 Wan Wei (gem 2924 ga tong va 2770 ga mai); va 2255 ga Hac Phong tai 19 tuan tuei (gem 567 ga tong va 1688 ga mai) cho thay: Luc 01 tuan tuei: GA Hac Phong co mau long den d'eng that chan va me den, chan co ng6n va met hang long ng6n ngoai cimg Tai thai diem 08 tuan tu6i (quan sat 5694 ga) ga Hac Phong co tam vec nhe clang nhanh nhen, b0 long 'mac mau den &rig that o ca ga va ga mai, me den, chan den co ngen va met hang long o ngen ngoai cimg, da den, thjt den, mao, tich mau den xam Tai thai diem 19 tuan Wei (quan sat 567 ga trOng va 1688 ga mai) a ga treng va ga mai deu co bq long xuac bong mau den tuyen deng nhat GA mai tam vec nhe han ga tr6ng (da, me, chan) den co nen va met hang long MQC o ngon ngoai cimg Ga tong Hac Phong co long duel va long canh dai mau den anh xanh, dau to, mao ga treng co hai kieu mao, mao ca, mao mau tim sam, tich de sam.GA mai mao nu nhe, mau den tim, tich den xam, dau co chem long tren dinh dau gieng ga Ac nhtmg mau den 55 PHAM CONG THIEU Dek clidm ngogi hinh va kha nang san xucitaia ga Hcic Phong KU ding san xuAt din gi lac Phong T.)3 re nuoi song WI lieu an that an Theo doi dan ga H&c Phong nuoi sinh san tai cac nam (2015-2017) Ket qua thu dugc the hien tai Bang Bang TS/10 nuoi song (%) va tieu ton thirc an (g/con) qua cac giai doan Giai doan 0-8 TT 9-19 TT (ga trong) 9-19 TT (ga mai) Nam 2015 Nam 2016 Nam 2017 Trung binh TB TA/con/ giai doan (g) 94,75 95,10 94,85 94,90 1698,92 94,50 95,50 93,50 94,50 5808,63 94,17 94,00 93,17 93,78 5363,32 Ket qua the hi0n tren Bang cho thay tSr 10 nuoi song cua ga H&c Phong qua nam a giai doan ga con, dO-hau bi dat cao tir 93,78-94,90% Lugng thirc an tieu thu binh quan giai doan ga la, 1698,92g/con; giai doan ga do-hau bi (ga 5808,63 g/con; ga mai 5363,32 g/con) Ket qua nghien dm dm chimg tai ding phii hap v&i ket qua nghien cua cita Pham Cong Thieu va cs (2010), tren ga H'mong qua the he ch9n 19c c6 tS, le nuoi song giai doan ga con, do-hau bi (94,31-96,14%) Neu so sanh A/6i ket qua nghien cua cua Pham Cong Thieu va cs (2010), tren cac dan ga H'inong, Ac Thai Hoa,va Ac Nam tSr 10 nuoi song giai doan ga (95,84-97,36%); giai clop 9-19 tuan tuoi ga tong (93,87-96,83%), ga mai (95,94-98,70%) thi ket qua dm chung tai thap han Luang thirc an tieu ton giai doan ciia ga HL Phong thap han ga Phu Phan nghien cua dm Nguyen Thi Mu6i va cs (2017), cho biet thirc an tieu thu giai doan ga (1831,56 g/con), giai doan ga do-hau bi (ga tong 6341,16 g/con; ga mai 5725,16 g/con) Kit& hrvng co' thl dan san xutit ga Illic Phong qua cac Wan tad Qua theo doi dan ga HL Phong nam 2015 - 2016 - 2017 ket qua kh6i lugng ca the ga HL Phong qua cac tuan tu6i (nam 2017) ducic the hien tai Bang va Bang Can mAu khoang 10% so ga theo doi, rieng tuan 08 va 19 tuan tuOi can toan b0 so ga di mat Bang Khoi ltrang ca the ga HL Phong (0-8 tuan tu6i) (g/con) (n=60) 56 Tuan tu6i Mean± SD (g) CV% 01 (ngay tu6i) 27,53 ± 2,84 10,32 64,83 ± 6,90 10,64 99,10 ± 15,18 15,32 146,32 ± 16,94 10,31 264,93 ± 27,95 10,55 350,77 ± 39,95 11,39 441,43 ± 45,64 10,34 553,57 ± 63,05 11,39 666,47 ± 67,18 10,08 VIeN CHAN NUN - Top chi Khoa hoc Cong nghe Chan nuoi - SO 84 Mang 02/2018 Ket qua ten Bang cho thay: Giai doan ga dugc an tu song t6c dO sinh truimg ch4m den het tuan tuoi khoi lugng binh pan dat 666,47 g/con, day clang la nhugc diem dm nhom ga thuoc Song ngugc lai chimg lai dugc ngtrai ti'eu dung men mO, dac,biet la tang lap c6 thu ket qua nghien ciru cua nhap cao xa hei Ket qua nghien cfru ding pha hop Pham Cong Thieu va cs (2010), ch9n 19c nang cao nang suat, chat lugng giong, ga dac san (ga H'mong, ga Ac va ga Thai Boa) ket thitc giai doan ga ga H'mong c6 khoi lugng co; the (653,40 g/con), ga Ac, Thai Hod (386,7-460,20 g/con) va ga Ac Viet Nam (325,4-399,7 ket qua nghien cuu dm Nguyen Thi Muori va cs (2017), teen ga Phu g/con) Neu so sanh Phan trang thi tai tuan tu6i dat khoi lugng (1087 g/con) thi ket qua nghien ciru cua chimg toi thap han nhieu Bang Kh6i lugng ca the ga Hac Phong (9-19 Wan tuoi) (g/con) Tuan tuoi 10 12 14 16 19 Ga Trtmg (n=30) CV% Mean ± SD (g) 11,74 768,87 ± 90,26 859,87 ± 91,09 10,59 10,29 963,17 ± 99,11 9,56 1192,00 ± 113,96 10,64 1375,83 ± 146,39 1468,90 ± 147,04 10,01 (n=190) Ga Mai (n=60) Mean ± SD (g) 670,50 ± 70,34 733,93 ± 77,14 832,30 ± 90,47 1007,70 ± 119,71 1070,20 ± 119,11 1212,90 ± 118,86 (n=560) CV% 10,49 10,51 10,87 11,88 11,13 9,80 a Ket qua ghi tai Bang 5,cho thay: Giai doan ga dugc han the khocng the kh6i lugng theo tieu,chuan nen ket thitc 19 tuan tuoi ga dat 1468,90 g/con; ga mai dat 1212,90 tuang ducmg nghien thu cita Pham C6ng g/con Ket qua dat dugc ten ga Hac Phong Thieu va cs (2010), ten ga H'mong qua 4the the ch9n 19c tai Trung tam Thuc nghiem va Bao ton vat nuoi litc 19 tuan tuoi (ga tong dat 1785,90 g/con; ga mai dat 1276,90 g/con) Tuji thyc sinh dyc Tu6i thic sinh dic cua vat nuoi phi thuec vao gi6ng va dieu kien ngoai canh Ket qua thu dugc the hien tai Bang Bang Tu6i thvc sinh dvc ga Hac Phong (ngay) Chi tieu Nam 2015 Nam 2016 Nam 2017 Trung binh De 9ua trimg dau tien 143 140 141 142 TS, le a dat 5% 154 151 148 151 Ty le de dat 30% 186 184 182 184 TS, le de dat Binh cao 245 231 238 238 Ga Hac Phong c6 tuoi de qua trang dau tien (140-143 tuoi) tuang dtrcmg vai ga Phu Phan tang (141 ngay) (Nguyen Thi Mixed va cs.,, 2017); ga H'mong, ga Ac Viet Nam va ga Pham C6ng Thieu va cs (2010), cho biet tuoi de qua tang Thai Hoa nghien eau 57 PHAM CONG THIEU DOc di6n ngogi hinh va kha nang sem xudt cua ga Hcic Phong dL ga H'mong (138-141 tu6i); ga Ac Thai Hoa (139-142 ngay), nhung tuoi de dat dinh cao muOn han ga Phu Phan tang (199 tu6i) Kith nang de Thing ca a ga Hac Phong Bang TS, le de, nang suit trimg va tieu ton thirc An/10 tiling (300 mai va 45 trong) Tun tuoi 21-24 25-28 29-32 33-36 37-40 41-44 45-48 49-52 53-56 57-60 61-64 65-68 69-72 TS, le de BQ (%) Trans/mai cOng don (qua) TS, le de (%) 20,96 40,07 54,50 60,39 53,86 47,79 44,00 43,14 41,57 38,32 34,43 27„64 24,36 40,85 Trang/mai (qua) 5,87 11,22 15,26 16,91 15,08 13,38 12,32 12,08 11,64 10,73 9,64 7,74 6,82 TTTA/10 (kg) 4,29 2,50 1,93 1,82 2,04 2,30 2,50 2,43 2,53 2,61 2,90 3,44 3,70 148,69 2,51 Kha nang de tiling va tieu ton till:re An/10 qua trirng cua ga Hic Phong dugc the hien tai Bang cho thy tSr le de,ciia ga HAc Phong cling tang dan theo tuoi, hgp vii quy 11* sinh h9c chung gia cam va dat dinh cao a tuan tuoi (33-36) (60,39%) sau giam din TS, le de binh quan dat (40,85%) tuang ling vai nAng suit trirng/mai/72 tuan tuoi (148,69 qua) va tieu ton thac An/10 trirng (2,51kg thirc An) Ket qua nghien cull cao han ket qua nghien cau ciia Nguyen Thj Muai va cs (2017), teen ga Phu Phan cho biet nAng suit trimg/mai/38 tuan tuoi (50,54 qua) va ding cao han nghien ctru cua Pham Cong Thieu va cs (2010), tren ga H'mong, ga Ac va ga Thai Hoa c6 rang suit trimg/mai/38 tuan tuoi lin lugt la (45,9 qua; 36,7 qua va 43,98 qua), ga Hic Phong 38 tuan tuoi co s6 trimg/mai dat 56,80 qua Iwrng va chili hrvng Ening Khao sat ga Hic Phong tai thai diem 38 tuan tu6i, ket qua dugc the hien qua Bang Kh6i lugng tang ga HL Phong tai thai diem 38 tuan tu6i (44,90g) tucmg ducmg tang ga Lac Thus/ (45,66g) nghien cau cua Vu Ng9c Scm va cs (2015), va cling tucmg ttr kh6i lugng truing ga Mong (46,32g) nghien ciru dm Ngo Thj Kim Ciic va cs (2015), va cao han tang ga Ri nghien ciru dm Nguyen Huy Tuan (2013) Cac chi tieu ve chit lugng trimg dat tieu chu'an giong 58 VII N CHAN NUN - Tap chi Khoa hoc Cong nghe Chan nuoi - s6 84 'Mang 02/2018 Bang Khei lugng va chat lugng trirng tai 38 tuan Wei (n=50) Don vi tinh Chi tieu Khei lugng trimg TS, le long TS, le long tang Ty le ve Chi se long Chi se long tang DO day vo trimg Dan vi Haugh g % % % mm Hu Mean ± SD 44,90 ± 3,82 31,65 ± 1,25 58,46 ± 1,85 9,89 ± 0,33 0,43 ± 0,02 0,08 ± 0,004 0,32 ± 0,02 82,85 ± 1,48 CV% 8,51 3,95 3,17 3,34 4,65 5,00 6,25 1,79 gphoi viz kat qua ãp nd' trerng ga 1-14c Phong Theo doi dan ga Hie Phong (nam 2015 - 2016 - 2017) s6 trimg dua vao ap dugc thu tir (2938 tuan tu6i), v&i tong so trimg theo doi la 32.880 qua Ket qua thu dugc the hien tai Bang Bang Ket qua Ap nc'c trimg ga Hie Phong Chi tieu Trimg ap s6 ming co phoi TS, le phoi Se ga n6 TS, le no/tang ap TS/ le n6/trimg c6 phoi Se ga loci Ty le na ga loaf Meng trimg ap Dan vi tinh Qua Qua Con Con Nam 2015 10412 9360 89,90 7971 76,56 85,16 7492 71,96 Nam 2016 10960 9788 89,31 8692 79,31 88,80 8270 75,46 Nam 2017 11508 10480 91,07 9132 79,35 87,14 8780 76,29 Tong se 32 880 29 628 90,11 25 795 78,45 87,06 24 542 76,64 Ket qua the hien tai Bang cho dia.)/ tS, le trimg c6 phoi cua ga Hac Phong khong cao (89,3191,07%); t5, le na/teng trimg c6 phoi dg (85,16-88,80%) Ket qua ding phil hgp vai ket qua dm Nguyen Thi Muoi va cs (2017), tren ga Phu Phan trang cho biet ga co tST le phoi (90,19%); tST le n6/tong trimg Ap (78,96%) va tST le nor ga loai 1/trimg Ap (72,12%) Ket qua tai Bang ding cho thay tS, le trimg c6 phOi, lc& qua ap n6 deu phu hgp vai mgt se gieng ga ban dia va ga thuoc nu& to nhu ga Ac, Thai Hoa, H'mong, Phu Phan, M6ng, Mia, HO va ga Lac ThuSr v.v HiP qua kinh ti nuoi ga 114c Phong sin!: san De nhan Ong mo hinh chan nuoi ga Hac Phong sinh san nham cung cap gi6ng cho san xuat than nuoi ga ILL Phong hieu qua Chung toi sa b0 hach town hieu qua kinh to nuoi dan san xuat ga HL Phong the hien tai Bang 10 59 PHAM CONG THIEU D c didm ngogi hinh va khci nang san xudt czia ga Hac Phong Bang 10 Hieu qua kinh to nuoi ga Hac Phong dan san xuat Dien giai A Plan chi (1 ga mai/72 than tuoi) 1.Tien giiing 01 tuoi loai Tien thtrc an (0-72 tuan tulip + Thtk an ga - d6 Nu bi (0-19 tuan tuoi) (7,06kg/con x 14.000 ding/kg) + Thirc An ga de (20-72 tuan tuoi) (38 kg/con x 13.000 ding/kg) + Thirc an ga tr6ng (3,8 kg x 13.000 ding/kg) Dien, ntrot, thu6c thit y, vacxin Vat re mau hong Cong lao ding khoa hoc, phi th6ng Cong ap trimg (136 qua x 500 d/qua) Vaxin marek ga (104 x 1000 d/con) B Phan thu (d) Ban ga gi6ng (s6 ga loai 1/mai mg (104 con) (104 x 15.000 d/con) Ban trimg loai ap (12 qua x 2000 d/qua) Ban ga mai loai thai (1,4 kg x 60.000d/kg) C Can dili thu-chi (d/mai) DV tinh d/con d/con Thanh tien (VND) 1.098.740,0 30.000,0 d 98.840,0 d 494.000,0 d d/con d/con d d d d 49.400,0 41.500,0 15.000,0 198.000,0 68.000,0 104.000,0 1.668.000,0 1.560.000,0 d d d 24.000,0 84.000,0 569.260,0 Neu tinh soy bi theo bang tren thi nuoi ga mai Hag Phong sinh san to (01 tuoi den 72 tuan tuoi) se thu lai khoang 569.260 d/lmai Day ding la thCri gian gia thirc an chan nuoi cao, hien tai gia thirc‘An chan nuoi chi 9.000 - 10.000 d/kg thi chart nuoi ga Hac Phong hieu qua him nhieu KET L1JAN VA DE NGHI Ket Wan Dac di'jm ngogi hinh: Ga Hac Phong litc 01 tuoi có bi long mau den ding nhat, chan va mO den, chan có 6‘ngon va mOt hang long chan Non ngoai ding Tai va 19 tuan tuoi ga tong va ga mai deu cc!, b6 long xtrac mau den tuyen &mg nhat, ga mai tam \toe nho hart ga tr6ng, da, m6, chan mau den Chan co ng6n va hang long twc a ngon ngoai ding GA Hac Phong co 02 kieu mao, mao ca, mao nu, ga mai da phan la mao ng, mao tich mau den xam, tich dam Ga mai Hac Phong có chum long tren dinh dau gi6ng nhtr ga Ac nhung mau den Khci niing sinh truong: IQ& ltrang ga Hag Phong Mc tan tuoi dat trung binh tiling mai la 666,47g/con Tai 19 tuan tuoi ga trOng dat (1468,90 g/con), ga mai dat (1212,90 g/con; tSr le nuoi song (0-8 Wan tulip dat 94,90% va (9-19 tuan tuoi) ga tong 94,50% va ga mai 93,78% 60 VIN CHAN NUN — Tap chi Khoa hoc Cong nghe Chan nuoi — St) 84 Thdng 02/2018 Kith ming sinh san: Tu6i de qua tiling dAu tien cua ga frac Phong (140-143 tuoi); ty le de dat 5% (148-154 ngay) va tuoi de dinh cao (33-36 tuAn tuoi) Nang suAt trimg/mai/72 tuAn tuoi dat 148,69 qua tucmg itng tY le de (40,85%); tieu ton thirc An/10 trimg, (2,51kg); ty le long trUng dat (31,65%); tY le ph8i (89,31-91,07%); tY le no ga loai 1/tong tong ap dat (76,64%) De nghi Cho pile') chuyC'n giao ga Hac Phong b6 me vao phat tritn chan nuoi ga Hac Phong sinh san va nuoi thit TAI LIEU THAM KHAO Ngo Thi Kim Cdc va Nguyen Thanh San 2017 Danh gid ddc diem ngoai hinh va kha nang san xuAt cua dan ga Mang hot nhan the he nuoi tai Ha Nam Top chi Khoa hac Ong nghe chan nuoi, so 81, than 11/2017, tr 24-37 Nguyen Thi Mu&i, Both Manh Dieu, Pham Thi Thanh Binh, Nguyen Trung Hieu, Nguyen Thi Thanh Van, Nguyen Van Tam, Da° Doan Trang va Ngo Thi T8 Uyen 2017 Ket qua buac dau nghien ciru kha nang san xuAt cua ga Phu Phan tang nuoi tai Trung tam Thuc nghiem va Bao din vat nuoi Bdo cao khoa hac nam 2015-2017 Phan Di truyen-giong vat nuoi Ha N6i, thang 7/2017, tr 261-270 Vu Ngac San, Tran Quec Hang, Nguyen Thi Hai va Nguyen Van Tam 2015 Ket qua nuoi bac) ton ga Lac Thus/ cac the he tai VinChan mai Bdo cao khoa bac nam 2013-2015 Phan Di truyen-gieng vat nuoi Ha N6i, thang 9/2015, tr 106-118 Pham Cong Thieu, Vu Ngac San, Hoang Van Tieu, Nguyen vitt Thai lid Iran Kim Nhan 2010 Chan lac nang cao nang suAt chAt Luang ga H'mong Bao cao khoa hac nam 2009 Phan Di truyen - giOng vat nuoi Ha N6i thang 11/2010, tr 269-279 Pham Cong Thieu, Vu Ngac San, Le Thi Thug Hang, Tran Kim Nhan, Hoang Van Ti'eu, Phung DCrc Tien, Nguyen QuSt Khiem, Nguyen Thi Mutyi va Trail Long Chan lac nang cao nang suAt chAt Luang giong ga ddc san (H'mong, Ac, Thai Hod) va )(de dinh to hap lai gift chfing Bdo cao ten ket Bq Nang nghiep va PTNT Nguyen Huy Tuan 2013 Kha nang san xuat cua t6 hap lai gift ga Ri yang ram Ad ga Ri lai (7/8 Ri yang ram va 1/8 Luang Phugng) nuoi tai Troi That nghi.em Lien Ninh Luan Van Thoc sy Nong nghiep, Hac Vien Nong nghiep Viet Nam Ngay nhan bai: 28/1/2018 NO), phan bien danh gia: 02/2/2018 NO), chap nhan Clang: 28/2/2018 61 ... LuAN I* dam ngotii hinh ga Hic Phong Quan sat 6000 ga Hac Phong 01 Wei, 5694 ga Hac Phong ket tit& 08 Wan Wei (gem 2924 ga tong va 2770 ga mai); va 2255 ga Hac Phong tai 19 tuan tuei (gem 567... xucit ctia ga Hcic Phong Ni dung nghien cuv Xac dinh mOt s6 dAc diem ngoai hinh dAc trung cua ga Hac Phong Danh gia duqc kha ''tang san xuA''t (sinh truamg va sinh san) cua ga Hoc Phong Phirong phip... clidm ngogi hinh va kha nang san xucitaia ga Hcic Phong KU ding san xuAt din gi lac Phong T.)3 re nuoi song WI lieu an that an Theo doi dan ga H&c Phong nuoi sinh san tai cac nam (2015-2017) Ket