Polled saniya

Da yake magana game da shanu, yawancin mutane nan da nan suna tunanin wata babbar saniya, mai cin abinci mai kyau da dogayen ƙahoni. Amma ba koyaushe dabbobi suke kama da haka ba. Abin da ake kira polled irin na shanu ya bambanta da wannan bayanin. Babban fasalinsa shine cikakken rashin ƙahoni da girma na pineal maimakon su.

maraƙi polled

Menene clod?

Kalmar “marasa ƙaho” tana nuna cikakkiyar rashin ƙahonin manya da wasu nau’ikan ƙananan shanu. Siffar kalmar tana da alaƙa da kalmar “gudu”, wanda ke nufin ƙarshen bishiyar da aka sare, wanda yayi kama da mazugi. Irin wannan tsiro masu kama da ƙahoni kuma suna kan kan wata saniya mara kyau.

Akwai dalilai da yawa da ya sa shanu ba su da ƙaho. Biyu daga cikinsu sune manyan:

1. Yanke tururuwa da aka yi niyya don kada dabbar ta yi wa kanta rauni da sauran mutanen garken.
2. Watsa shirye-shirye tsakanin tsararraki. A wannan yanayin, rashin ƙahoni alama ce ta kwayoyin halitta.

Yana da kyau a lura cewa a wasu nau’ikan dabbobi, rashin jin daɗi na gado shine sakamakon zaɓi na dogon lokaci da gangan. Don haka, masu kiwon dabbobin sun nemi su tsare shanun nan gaba da kuma ceton yunƙurin yanke kahon.

Nauyin shanu marasa ƙaho

Akwai nau’ikan shanu da yawa waɗanda ake gadon polledness a cikinsu. Haka kuma, a cikin nau’ikan nau’ikan nau’ikan iri da yawa, masu shayarwa sun sami nasarar gyara wannan yanayin ga duk wakilai.

Aberdeen Angus

Wannan nau’in ya bayyana a ƙarshen karni na XNUMX a Scotland kuma yana cikin shanu na naman sa. Saboda yawan amfanin sa, masu shayarwa daga wasu ƙasashe, musamman Amurka, Kanada, Rasha da Ostiraliya, suma sun fara shiga cikinsa.

Matsakaicin nauyin saniya Aberdeen Angus bai wuce kilogiram 650 ba. Bijimin kiwo sun kai kilogiram 950 ko fiye. Tsayin balagagge a cikin ƙura yana kan matsakaicin 1.5 m.

Aberdeen Angus shanu

Nau’in nau’in shanu na wannan nau’in yana da yawa. Jikin yana zagaye, mai siffar ganga. Ƙafafun gajere ne. Ba a bayyana wuyan wuyansa ba, kai tsaye ya shiga cikin jiki. Baya yana mike tare da kusoshi mai karfi. Rigar saniya baƙar fata ce kawai.

Daga cikin fasalulluka na layin tsafi akwai kamar haka:

• high quality nama, halin da bakin ciki yadudduka na mai;
• yawan kisa na samfurin nama, wanda, tare da ciyarwa mai kyau, shine 60% ko fiye;
• saurin haɓakawa da haɓaka juriya;
• lokacin hayewa, ana canja yawan yawan nama zuwa wasu nau’ikan.

Magana. A cikin dabbobin Aberdeen Angus, rashin ƙaho yana wanzuwa daga tsara zuwa tsara kuma ana yada shi ga dukan zuriya. Babu wasu keɓancewa ga wannan doka.

sandal

Layin nau’in redpol shima ya bayyana a cikin karni na XNUMX. An gudanar da aikin kiwo a Ingila, a cikin kananan hukumomin Norfolk da Suffolk. Don kiwo, galibi ana amfani da nau’in kiwo na gida.

Redpole yana bambanta da kwat da wando ja-cherry. Mutane da yawa na iya nuna farin alamomi akan nono ko wutsiya. Nauyin yana da matsakaicin samar da madara. Yawan nonon da ake samu a shekara ya kai aƙalla lita 4500. A lokaci guda kuma, ɓangaren nama yana haɓaka sosai. Matsakaicin nauyin saniya yana da kilogiram 600, yayin da bijimai na iya kaiwa kilo 900 ko fiye.

Redpole yana jurewa zafi da cizon sauro da kyau. Ana iya gano rashin jin daɗi a kusan dukkan zuriya, amma a cikin keɓantattun yanayi, kwayar halittar da ke da alhakin haɓakar ƙahoni na iya yin nasara.

Nauyin shanun jajaye

Ya zuwa yau, ana kiwon irin wannan nau’in dabbobi a Burtaniya, Afirka, Amurka da Ostiraliya.

Polled saniya daga Iowa

Ba kamar layin jinsin da ke sama ba, saniya mai polled daga Iowa dabba ce ta ado. An haife shi a Iowa, Amurka, da manomi na gida Matt Lautner musamman don shiga nune-nunen da baje koli.

Baya ga cikakkiyar rashi na ƙaho, wakilan wannan nau’in ma ba su da nono. A waje, irin waɗannan shanu suna kama da abin wasan yara. Dalilin wannan shine ƙananan girman da lokacin farin ciki, mai laushi ga gashin taɓawa na launuka daban-daban.

Daga cikin siffofi na waje na nau’in, wanda aka fi sani shine kamar haka:

• ƙananan masu girma dabam;
• baya, wakilta ta madaidaiciyar layi daya;
• dogon wutsiya wanda ya ƙare tare da tassel;
• gajeren wuyansa;
• gashi mai girma, wanda ke sa kai yayi kama da kadan.

Magana. A yau, Lautner yana sayar da dabbobinsa a duk faɗin duniya, amma farashin saniya ɗaya ya kai dala dubu 5 ko fiye.

Rashanci mai tsanani

Rasha polled wakilin gida ne mai haske na shanu marasa ƙaho. Manufar kiwon wannan nau’in shine don samun dabbobi masu yawan yawan nama. An yi amfani da wakilan nau’in Aberdeen-Angus da Kalmyk a matsayin kayan farawa a cikin aikin kiwo. Ya zuwa yau, adadin masu jefa kuri’a na Rasha shine mutane dubu 8 kawai.

Dangane da alamun waje na layin nau’in, mafi ɗaukar hankali daga cikinsu sun haɗa da:

• nauyin mata – ba fiye da 550 kg ba, maza zasu iya kai nauyin kilogiram 1100;
• fadi mai girman gaske;
• zurfi, tsokoki masu karfi a cikin kirji;
• kadan kai a kwatanta da jiki.

Wannan nau’in yana da nau’in nau’in nama mai faɗi da haɓakar tsoka. A lokaci guda, yawan amfanin naman sa daga naman da aka ciyar da naman manya yana kan matsakaicin 80%.

Rasha polled irin na shanu

Har ila yau, fasalulluka na shanu marasa ƙaho na Rasha sun haɗa da babban juriya na cututtuka, juriya, da saurin haɓakawa. Amma wannan nau’in shanu na gida yana da daraja musamman don ingancin nama, wanda aka bambanta da taushi, dandano mai dadi da ƙananan adadin mai. An yi la’akari da abin da ake ci kuma ya dace da amfani har ma da marasa lafiya da waɗanda ke kan abinci.

Abin da kuma ke da alaƙa shi ne cewa irin waɗannan shanu suna da sauri suna yin nauyi har ma da ƙarancin abinci iri-iri. Bugu da ƙari, ba kamar sauran nau’o’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i nau’i) yana iya ƙara yawan adadin sa.

Shanun da aka yi wa ƙuri’a ba su da yawa a yau. Nama da dama, kiwo har ma da nau’ikan kayan ado sun dace da wannan rukunin. Ta fuskar abinci mai gina jiki da kiwo, ba su da bambanci da dabbobi na yau da kullun. Amma masu dabbobi su yi hattara. Ko da ba tare da ƙaho ba, balagagge zai iya lalata mutum, wanda zai iya zama mummunan sakamako.