• 512 Citations
  • 13 h-Index
20022017

Research output per year

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Research Output

  • 512 Citations
  • 13 h-Index
  • 65 Article
  • 2 Review article
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Article
2017
6 Citations (Scopus)
2016

Blood profiles of indigenous Pedi goats fed varying levels of Vachellia karroo leaf meal in Setaria verticillata hay-based diet

Brown, D., Ng'ambi, J. W., Norris, D. & Mbajiorgu, F. E., Jan 1 2016, In : South African Journal of Animal Sciences. 46, 4, p. 432-440 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Carcass and meat quality characteristics of South African indigenous chickens

Motsepe, R., Mabelebele, M., Norris, D., Brown, D., Ngambi, J. & Ginindza, M., Aug 1 2016, In : Indian Journal of Animal Research. 50, 4, p. 580-587 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Voluntary intake and palatability indices of pedi goats fed different levels of acacia karroo leaf meal by cafeteria method

Brown, D., Ngambi, J. W. & Norris, D., Feb 1 2016, In : Indian Journal of Animal Research. 50, 1, p. 41-47 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2015
7 Citations (Scopus)

Effects of coriander (Coriandrum sativum L.) seed powder and extract on performance of broiler chickens

Naeemasa, M., Alaw Qotbi, A. A., Seidavi, A., Norris, D., Brown, D. & Ginindza, M., Jan 1 2015, In : South African Journal of Animal Sciences. 45, 4, p. 371-378 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Growth and haematological response of indigenous venda chickens aged 8 to 13 weeks to varying dietary lysine to energy ratios

Alabi, O. J., Ng'ambi, J. W., Mbajiorgu, E. F., Norris, D. & Mabelebele, M., Jan 1 2015, In : Journal of Animal Physiology and Animal Nutrition. 99, 3, p. 436-441 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Morphological differentiation of indigenous goats in different agro-ecological zones of vhembe district, Limpopo province, South Africa

Selolo, T. C., Mashiloane, M. L., Norris, D., Ng’ambi, J. W. & Brown, D., Jan 1 2015, In : Indian Journal of Animal Research. 49, 4, p. 527-531 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Path coefficient and path analysis of body weight and biometrie traits in indigenous goats

Norris, D., Brown, D., Moela, A. K., Selolo, T. C., Mabelebele, M., Ngambi, J. W. & Tyasi, T. L., Jan 1 2015, In : Indian Journal of Animal Research. 49, 5, p. 573-578 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2014

Comparison of gastrointestinal tracts and pH values of digestive organs of ross 308 broiler and indigenous venda chickens fed the same diet

Mabelebele, M., Alabi, O. J., Ngambi, J. W., Norris, D. & Ginindza, M. M., Jan 1 2014, In : Asian Journal of Animal and Veterinary Advances. 9, 1, p. 71-76 6 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Effects of different levels of coriander (coriandrum sativum) seed powder and extract on serum biochemical parameters, microbiota, and immunity in broiler chicks

Hosseinzadeh, H., Alaw Qotbi, A. A., Seidavi, A., Norris, D. & Brown, D., Dec 28 2014, In : Scientific World Journal. 2014, 628979.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Genetic selection for docility: A review

Norris, D., Ngambi, J. W., Mabelebele, M., Alabi, O. J. & Benyi, K., 2014, In : Journal of Animal and Plant Sciences. 24, 2, p. 374-379 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Use of factor scores for predicting body weight from linear body measurements in three South African indigenous chicken breeds

Malomane, D. K., Norris, D., Banga, C. B. & Ngambi, J. W., Feb 1 2014, In : Tropical Animal Health and Production. 46, 2, p. 331-335 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2013
6 Citations (Scopus)

Effect of ascorbic acid supplementation to the diets of indigenous venda hens on productivity of their progenies aged 8 to 13 weeks

Adesola, A. A., Ng'ambi, J. W. & Norris, D., Jun 2013, In : Indian Journal of Animal Research. 47, 2, p. 97-104 8 p.

Research output: Contribution to journalArticle

Effects of egg weight on hatchability, chick hatch-weight and subsequent productivity of indigenous venda chickens in polokwane, South Africa

Ng'ambi, J. W., Thamaga, M. W., Norris, D., Mabelebele, M. & Alabi, O. J., 2013, In : South African Journal of Animal Sciences. 43, 5

Research output: Contribution to journalArticle

8 Citations (Scopus)

Effects of urea-treated fibrous diets on nutrient intake, digestibility, performance and haematological parameters of Yankasa rams

Alabi, J. O., Arigbede, M., Ng'ambi, J., Norris, D., Shiawoya, E. & Onyekachi, S., Aug 1 2013, In : Tropical Animal Health and Production. 45, 6, p. 1349-1355 7 p.

Research output: Contribution to journalArticle

Estimates of lactation curve parameters for Bonsmara and Nguni cattle using the weigh-suckle-weigh technique

Maiwashe, A., Nengovhela, N. B., Nephawe, K. A., Sebei, J., Netshilema, T., Mashaba, H. D., Nesengani, L. & Norris, D., Sep 25 2013, In : South African Journal of Animal Sciences. 43, 5

Research output: Contribution to journalArticle

5 Citations (Scopus)

Heterosis and combining ability for body weight in a diallel cross of three chicken genotypes

Siwendu, N. A., Norris, D., Ngambi, J. W., Shimelis, H. A. & Benyi, K., Jan 1 2013, In : Tropical Animal Health and Production. 45, 4, p. 965-970 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2012

Effect of dietary vitamin D 3 supplementation on meat tenderness, juiciness and flavour of indigenous venda cocks

Mabelebele, M., Ng'ambi, J. W. & Norris, D., Jan 3 2012, In : Asian Journal of Animal and Veterinary Advances. 7, 2, p. 193-198 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Effect of egg weight on hatchability and subsequent performance of Potchefstroom Koekoek chicks

Alabi, O. J., Ng'ambi, J. W., Norris, D. & Mabelebele, M., 2012, In : Asian Journal of Animal and Veterinary Advances. 7, 8, p. 718-725 8 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Effect of egg weight on physical egg parameters and hatchability of indigenous venda chickens

Alabi, O. J., Ng'ambi, J. W. & Norris, D., 2012, In : Asian Journal of Animal and Veterinary Advances. 7, 2, p. 166-172 7 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Genetic analysis of body weights of individually fed beef bulls in South Africa using random regression models.

Selapa, N. W., Nephawe, K. A., Maiwashe, A. & Norris, D., 2012, In : Genetics and molecular research : GMR. 11, 1, p. 271-276 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Nutrient composition and tannin contents of forage sorghum, cowpea, lablab and mucuna hays grown in limpopo province of South Africa

Gwanzura, T., Ngambi, J. W. & Norris, D., Aug 27 2012, In : Asian Journal of Animal Sciences. 6, 5, p. 256-262 7 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2011

Can It be achieved? Partnering towards improving livelihoods in the Ganspan settlement, norther n Cape province, South Africa

Norris, D., van Zyl, E. C., Hashe, W. T., Mafuma, M. S., Senyolo, M. P., Mngomezulu, S. P., Enserink, D., Ngambi, J. W. & Mbajiorgu, C. A., Oct 24 2011, In : Africa Development. 36, 1, p. 49-62 14 p.

Research output: Contribution to journalArticle

Effect of Garcinia cambogia leaf meal supplementation level at finisher stage on productivity and juiciness of male ross 308 broiler chickens

Sebola, N. A., Ng'ambi, J. W., Norris, D. & Mbajiorgu, C. A., 2011, In : Asian Journal of Animal and Veterinary Advances. 6, 7, p. 723-730 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
5 Citations (Scopus)

Effects of strain and different skip-a-day feed restriction periods on the growth performance of broiler chickens

Benyi, K., Acheampong-Boateng, O. & Norris, D., Apr 1 2011, In : Tropical Animal Health and Production. 43, 4, p. 871-876 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Genetic parameter estimates for live animal ultrasound measures of carcass traits in South African Angus cattle

Seroba, M. M., Maiwashe, A., Nephawe, K. A. & Norris, D., 2011, In : South African Journal of Animal Sciences. 41, 3, p. 243-249 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Milk production of three exotic dairy goat genotypes in limpopo province, South Africa

Norris, D., Ngambi, J. W., Benyi, K. & Mbajiorgu, C. A., Jan 1 2011, In : Asian Journal of Animal and Veterinary Advances. 6, 3, p. 274-281 8 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

The feeding value of four cowpewa hay cultivare and effect of their supplementation on intake and digestibility of buffalo grass hay fed to pedi goats

Ravhuhali, K. E., Ng'ambi, J. W., Norris, D. & Ayodele, V. I., Aug 15 2011, In : Asian Journal of Animal and Veterinary Advances. 6, 9, p. 909-922 14 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Voluntary feed intake and nutrient composition in chickens

Mbajiorgu, C. A., Ng'ambi, J. W. & Norris, D. D., Jan 1 2011, In : Asian Journal of Animal and Veterinary Advances. 6, 1, p. 20-28 9 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2010
3 Citations (Scopus)

Effect of dietary ascorbic acid supplementation level on productivity, mortality, and carcass characteristics of Venda chickens

Malebane, I. M., Ng'ambi, J. W., Norris, D. & Mbajiorgu, C., Dec 1 2010, In : Tropical Animal Health and Production. 42, 8, p. 1711-1718 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Estimation of the additive and dominance variances in SA Duroc pigs

Norris, D., Varona, L., Ngambi, J. W., Visser, D. P., Mbajiorgu, C. A. & Voordewind, S. F., Jun 1 2010, In : Livestock Science. 131, 1, p. 144-147 4 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Response of Ross 308 and Hubbard broiler chickens to feed removal for different durations during the day

Benyi, K., Acheampong-Boateng, O., Norris, D. & Ligaraba, T. J., Apr 14 2010, In : Tropical Animal Health and Production. 42, 7, p. 1421-1426 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2009

Analysis of feed intake of individually fed beef bulls using random regression models

Selapa, N. W., Nephawe, K. A., Maiwashe, A., Norris, D. & Ngambi, J. W., Jan 1 2009, In : Journal of Applied Animal Research. 36, 2, p. 223-226 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

An analysis of the genetic relationship between udder health and udder conformation traits in South African Jersey cows

Dube, B., Dzama, K., Banga, C. B. & Norris, D., Apr 1 2009, In : Animal. 3, 4, p. 494-500 7 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Effect of dietary lysine to crude protein ratio on performance of male Ross 308 broiler chickens

Ng'ambi, J. W., Maoba, S. M., Norris, D., Malatje, M. S. & Mbajiorgu, C. A., Jan 1 2009, In : Tropical Animal Health and Production. 41, 1, p. 11-16 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Effect of different feed restriction regimes during the starter stage on productivity and carcass characteristics of male and female ross 308 broiler chickens

Novel, D. J., Ng'ambi, J. W., Norris, D. & Mbajiorgu, C. A., Jan 1 2009, In : International Journal of Poultry Science. 8, 1, p. 35-39 5 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Effect of Hoodia gordonii meal supplementation at finisher stage on productivity and carcass characteristics of Ross 308 broiler chickens

Mohlapo, T. D., Ng'ambi, J. W., Norris, D. & Malatje, M. M., Sep 1 2009, In : Tropical Animal Health and Production. 41, 7, p. 1591-1596 6 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Effect of pre-weaning selection on estimates of genetic parameters and breeding values for post-weaning growth rate of beef bulls on test

Mashiloane, M. L., Nephawe, K. A., Maiwashe, A., Norris, D. & Ngambi, J. W., Dec 1 2009, In : Tropical Animal Health and Production. 41, 8, p. 1723-1730 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
6 Citations (Scopus)

Estimates of additive and non-additive genetic variances with varying level of inbreeding

Norris, D., Ngambi, W. & Mbajiorgu, C. A., Jul 23 2009, In : Journal of Biological Sciences. 9, 3, p. 254-258 5 p.

Research output: Contribution to journalArticle

Genetic parameter estimates for tick resistance in Bonsmara cattle

Budeli, M. A., Nephawe, K. A., Norris, D., Selapa, N. W., Bergh, L. & Maiwashe, A., Dec 1 2009, In : South African Journal of Animal Sciences. 39, 4, p. 321-327 7 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
7 Citations (Scopus)

The response of Ross 308 and Hybro broiler chickens to early and late skip-a-day feed restriction

Benyi, K., Acheampong-Boateng, O., Norris, D., Mathoho, M. & Mikasi, M. S., Dec 1 2009, In : Tropical Animal Health and Production. 41, 8, p. 1707-1713 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2008
8 Citations (Scopus)
11 Citations (Scopus)