Use of breast length as a quantitative trait in characterisation of indigenous chickens in Semi-arid Nigeria

نویسندگان

چکیده

Indigenous chickens are the major source of organic meat and eggs. A study was carried out to determine their quantitative traits from six states (Kano, Katsina, Jigawa, Sokoto, Zamfara Kebbi) in semi-arid region, Nigeria. Quantitative were measured on 240 adult indigenous sampled 20 households area. The results showed that sexual dimorphism exists between hens cocks. males had higher values most measured. Location significant (p<0.05) effect wing length, drumstick body back width chest depth. also revealed positive association bodyweight other for both hen Stepwise multiple regression f morphometric combination breast width, thigh neck length head circumference accounted 72% variation cocks while five (breast depth, beak length) 67% hens. Cocks have more dimorphism. It is however, recommended a trait can be used as determinant size improvement selection breeding programmes chickens.
 
 Les poulets indigènes sont la principale de viande et d'œufs biologiques. Une étude été menée pour déterminer leurs caractéristiques quantitatives dans États région semi-aride du Nigéria. caractères quantitatifs ont mesurés sur adultes échantillonnés ménages zone d'étude. résultats montré qu'il existe un dimorphisme sexuel entre les poules coqs. mâles avaient des valeurs plus élevées plupart mesurés. L'emplacement eu effet significatif (p<0,05) longueur ailes, pilon, corps, largeur dos profondeur poitrine. également révélé une significative le poids corporel d'autres La régression par étapes morphométriques que combinaison poitrine, dos, cuisses, cou périmètre crânien représentait 72 % chez coqs tandis cinq (longueur cuisse, corps bec) représentaient 67 poules. sexuel. L'association était à fois Il est cependant recommandé caractère quantitatif, puisse être utilisé comme déterminant l'amélioration taille corporelle sélection d'élevage indigènes.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Evaluation of Fertility and Calving Ease of Small Holder Indigenous Cattle Herds in Semi-Arid Zone of Nigeria

This study had the objective of determining the fertility and calving ease of small holder indigenous cattle herds inseminated with imported semen from proven sires. Sixty one indigenous cows of different breed origin (Bunaji, Sokoto Gudali and Rahaji) were selected from different herds across Jigawa state-Nigeria, and were used for this study. The selected dams were inseminated with semen from...

متن کامل

a fundamental study of "histiriographic metafiction", and "literary genres", as introduced in "new historical philosophy", and tracing them in the works of julian barnes.

abstract a fundamental study of “historio-graphic metafiction” and “literary genres”, as introduced in “new historical philosophy”, and tracing them in the works of julian barnes having studied the two novels, the porcupine and arthur & george, by julian barnes, the researcher has applied linda hutcheon’s historio-graphic metafictional theories to them. the thesis is divided into five cha...

15 صفحه اول

the significance of conjunction as a cohesive device in teaching writing

the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...

15 صفحه اول

critical period effects in foreign language learning:the influence of maturational state on the acquisition of reading,writing, and grammar in english as a foreign language

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

15 صفحه اول

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nigerian Journal of Animal Production

سال: 2022

ISSN: ['0331-2062']

DOI: https://doi.org/10.51791/njap.v48i6.3271